Gas Engine





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6/1/2008
Machine expert Hank Will offers advice on whether to drain the gas tanks of machines that will be idle for a while.
6/17/2010
Try these tips for cleaning a carburetor.
4/12/2008
Gasoline is blended with ethanol all the time, but are these blends all right to use in small engines? Here's how you can avoid problems.
6/1/2009
Two seasoned gearheads weigh in on the benefits (or lack thereof) of converting a V8 engine to run only on four cylinders.
10/1/2008
An automotive whiz explains why it's not a great idea to let your car warm up by idling.
6/15/2010
Propelling a vehicle with air or water is possible, but whether it’s practical is another story.
2/25/2011
Yes, you can power a car or truck on wood. Chip Beam thinks it won’t be long before we encounter a gas shortage and/or significantly more expensive gas. So what can be an alternative source of energy to power our vehicles? How about wood chips or pellets of plant matter? It may sound bizarre, but it really works. Here’s the first post in a new blog devoted to wood gasification for transportation.
3/24/2009
If you like steam- and gas- powered engines and farm equipment, you will love these three magazines and websites: Farm Collector, Gas Engine and Steam Traction.
4/30/2013
Nearly 2 million people sent comments opposing genetically engineered salmon to the Food and Drug Administration, stating that GE salmon is bad for the consumer, the environment and the native fish.
9/16/2011
Every day, Wayne Keith proves that wood gas can be a practical, renewable and sustainable transportation solution. Certainly not for everybody, but certainly for anyone with moderate welding skills, a sustainable source of wood or other type of biomass, and a sawmill or access to a sawmill. I think there are many, many MOTHER EARTH NEWS readers who fit the previous description, just for starters.
4/4/2012
Diesel engines are engineered and built to be more robust due to the higher compression ratio in the combustion chamber and the high torque output they produce.
3/22/2012
Conversion kit install to convert a hybrid vehicle into a plug-in electric and improve your gas mileage by 25%.
3/30/2011
Explore how you can make your own home grown organic fuel to power your own transportation or electricity.
3/13/2008
What should I try when my mower/tiller engine won't start?
8/5/2010
I just came across these videos that show the wood gas Isuzu Trooper built by our friends at Beaver Energy in action and had to share them.
10/18/2011
Across the pond, engineer Martin Bacon and a team of volunteers have created a coffee-powered car that averaged 66.5 mph over two speed runs.
8/5/2008
This Friday, Beijing will show off its green improvements when the Olympics begin.
10/21/2010
An introduction to Richard Hilderbrand’s new blog discussing climate change, plus the first installment. Learn how Earth utilizes greenhouse gases to ensure stable temperatures, or thermal equilibrium, as well as how fluctuations in solar activity relate to changes in global temperatures.
5/21/2013
These new vehicles may help the environment, but their soundless engines are a threat to the visually impaired, as well as pedestrians and bicyclists.
2/23/2011
Our expert explains what really happens when fuel additives are put in a gas tank, and how this may cause more harm than good. If you really want to increase your mpg, our expert has a few tips for that as well.
6/4/2009
Wood gas, or wood gasification, is a decades-old renewable energy technology that converts chunks of firewood, wood chips or other cellulosic biomass to power vehicles.
3/31/2011
For the first time since the U.S. Energy Information Administration began collecting data on greenhouse gas emissions in 1990, the United States saw a record-setting 5.8 percent decline.
3/29/2013
As America’s fuel use continues to decrease, proposed solutions such as the Keystone XL pipeline and food-to-fuel conversions may be unnecessary.
9/28/2011
Keeping the project going is my goal.
4/6/2011
No one had ever attempted to set a land speed record for gasification vehicles so Beaver Energy was the first.
5/11/2011
Back at the lab we are installing a new three inch line from the air dryers to the throttle body.
11/1/2011
A few hundred protestors from across the country arrived at the White House last month, the culmination of the two-week GMO Right2Know March that began in New York City on October 1. (Congratulations all you brave marchers - my feet ache just thinkin
11/17/2011
Planet Connect's Get Green Video Contest wants you to show how you can Green Your City with Science, Technology, Engineering and Math (STEM).
2/5/2014
Cell Fusion genetic engineering is emerging as a hot topic in the Certified Organic seed and food industry. We can expect the resolution of this issue to impact both small-scale and large-scale growers.
7/16/2008
My low-fuel light came on. Gulp. Will it be a $50 filling?
4/19/2011
See the power of gasification before we hit the road.
3/29/2011
Made from natural minerals, sea salt, water, sand, recycled coal byproducts and natural fibers, CompoClay is a promising alternative to gypsum, engineered wood and resins.
10/10/2010
Earthbag building has just received engineering approval. This is probably the greatest news ever for earthbag building. With engineer-approved plans, we see unlimited potential for earthbag building for homes, shops, schools, you name it.
12/5/2010
Precision Engineering www.structure1.com has generously provided drawings and specifications for building earthbag structures in seismic areas to meet code. The documents have been combined into one 6-page PDF and are now available online.
9/19/2008
The  U.S. Food and Drug Administration is accepting public comment regarding a draft Guidance for Industry #187 — to clarify regulation of genetically altered animals.
5/24/2012
The Environmental Protection Agency has given the go-ahead to Dow Chemical for its genetically modified 2,4-D resistant corn.
11/5/2013
Team Austria wins the Solar Decathlon 2013 for building the most energy-efficient, cost-effective and most attractive solar-powered house.
4/4/2011
Engine efficiency depends on rpm (among other things) and slower isn't always better. More wisdom from the Honey Bear.
4/9/2009
One would think a car wouldn't need a mechanical inspection at 5,000 miles. But when you're building a 100-mpg car from scratch, and the builder is meticulous, it's wise to look for problems even when there are no signs of problems.  
2/16/2011
A new study finds that warming temperatures will cause up to two-thirds of the earth's permafrost to disappear by 2200, unleashing large amounts of carbon dioxide into the atmosphere.
1/9/2011
We discuss the concept that carbon dioxide released from the burning of fossil fuels is partly responsible for the current atmospheric carbon overload. We also briefly discuss other human activities that contribute to the atmospheric carbon overload.
7/8/2008
Random statistics on the painful price of gas for early July 2008.
7/9/2008
72 mpg for under $6,000! How cool is that? Really, we want to know.
8/12/2011
At the Vetter Fuel Challenge in Ohio, vehicles powered by electricity, diesel and gasoline competed to see who would consume the least fuel in dollars and cents.
10/13/2011
For Bryan Welch, a prototype of Toyota's 2013 Prius Plug-In is a real life example of how gasoline electric hybrids have made major gains in efficiency over other conventional cars.
11/25/2008
The Environmental Protection Agency is taking comments until Nov. 28 on how it should rule on global warming pollutants.
7/20/2007
Want more gas for your money?
7/27/2007
Don't rip yourself off at the gas pump — stop topping off!
6/12/2012
What happens when you gather 100+ wood gassers in one place? They have a convention! The wood gas meetup in Argos Indiana was a blast, check out the photos!
11/10/2011
Friends and I travel to the Open Source Ecology project in rural Missouri to take a tour and help out laying up earth bricks.
2/11/2011
Concerned about GMOs in your family's food? Take action.
8/27/2012
This fall's Fuel for the Body T.O.U.R. ("Total Organic Understanding Ride") will educate the public on the benefits of living a green lifestyle that includes eating organic food and supporting local, organic farmers.
10/30/2012
How prepared ahead of time for remote living and what was required.
9/14/2007
5W-30? 10W-30? Be sure you get the right motor oil grade.
9/7/2007
You can boost your mpg by losing the cargo in your trunk. Then help reduce global warming emissions by sweating off a few pounds.
8/3/2007
Slow down and enjoy the scenery — you'll also enjoy a significant boost in your mpg.
8/24/2007
Here's how to change your car's air filter — do it yourself to save big bucks and boost your gas mileage by 10 percent.
6/24/2008
Oil companies are hungry for more land to drill. But meanwhile they aren't drilling in numerous approved areas.
7/24/2008
Today Ford announced a long overdue shift in its business emphasis: away from trucks and SUVs and toward small cars. Before setting this new direction, there has been plenty of struggle between old think and new think.
10/15/2008
The low gas prices are something to celebrate in the short-run, but the cause is something that deserves a second, less optimistic outlook.
1/20/2009
Our friends over at Utne Reader spotted
11/11/2009
Are gas guzzlers becoming popular again? Dan Chiras gives his outlook.
7/10/2008
Drilling in the Arctic National Wildlife Refuge will not lower gas prices anytime soon. This summary of facts released by the Alaska Wilderness League exposes important pieces of the ANWR debate.
8/17/2007
How long has it been since you checked your tire pressure?
8/31/2007
Green means go, but don't go too quickly.
10/12/2007
Here's another gas mileage myth busted: it's better to turn off your engine than to leave it idling.
10/5/2007
Sometimes the most direct route to your destination may not be the most fuel-efficient.
10/26/2007
Forget what your grandpa told you — there's no need to warm up your car every cold winter morning.
2/3/2011
Concerned about Monsanto's Roundup Ready crops and genetic engineering of our food? Let President Obama and Agriculture Secretary Tom Vilsack know.
7/13/2007
Calculating your fuel economy is easy and can help you save big bucks at the pump.
4/4/2012
Supply and demand have kept E85 gas prices low, and politics has played a role.
7/24/2008
I've never been more excited for 2010.
7/5/2013
Liberty LNG is looking to industrialize the Atlantic Ocean off the coast of New York and New Jersey. Learn how you can get involved to stop LNG and protect the ocean.
9/15/2009
How often, if ever, do you check your the gas mileage of your car or truck? Did you know it's super simple to calculate mpg, and observing it over time can help you improve your gas mileage and save money?
10/28/2008
OPEC annouced it would cut oil production to stop oil prices from falling, which might be the best way to reduce American oil consumption.
9/14/2012
One of the newest apps for green car owners is Cleaner and Greener Fuels, which locates refueling stations for alternative fuel vehicles.
6/24/2008
Here's a rundown of the many reasons behind the recent rise in the price of gas.
5/16/2011
Cam considers one of the causes of high gas prices....
3/9/2009
Last weekend more than 12,000 people flocked to Washington, D.C., for a three day demonstration to demand the creation of green jobs, cuts in the country’s greenhouse gas emissions and less dependence on fossil fuels.
8/1/2008
Amid rising gas prices, some people think offshore drilling in America is the answer, but is it worth it? Also, read an opinion piece by Mark Weisbrot.
1/29/2009
Sequestered indoors, Jack goes to work on streamlining MAX's body.
4/29/2009
Thoughts on the potentially fuzzy math of mpg calculations.
5/27/2009
General Motors vice chairman Bob Lutz recently discussed the price of the highly anticipated Chevrolet Volt. What do you think?
7/1/2008
Share the pain of rising gas prices together and join the discussion about what will finally motivate us to dramatically change our driving habits.
9/26/2008
Everyone's talking about drilling in Alaska, so why learn some numbers to do some talking of your own? Here are some statistics about why drilling in Alaska may not be the saving grace some think it is.
4/3/2012
Today’s full-size pickup trucks are more efficient than trucks of just a few years ago, but it’s still common for truck gas mileage to be in the mid-teens. The best overall full-size pickup fuel economy can be found on the Chevrolet Silverado Hybrid and GMC Sierra Hybrid.
8/22/2012
Wood is a wonderful motor fuel! But how much do we need? Wayne tells us how efficient his truck really is on wood gas, and we take a look at how much we'd use if everyone decided to drive on wood.
4/22/2011
Save money and gas this Earth Day — and every day! — by using these five green driving tips from the Car Care Council.
6/27/2008
It's surprisingly easy to figure out how many carbon dioxide emissions come from producing the electricity for your home, or burning a full tank of gas. Check out this carbon calculator, or find out how to do a quick ballpark estimate.
3/5/2012
The unintended death of a charming little creature raises the realities of life on a farm homestead.
7/1/2010
The all-new 2011 Honda CR-Z sport hybrid coupe will debut Aug. 24, 2010. Developed as a stylish, driver-focused vehicle with an emphasis on efficient performance, the all-new 2011 Honda CR-Z introduces a sleek two-passenger coupe design with quick, sporty handling to the gasoline-electric hybrid segment.
8/21/2008
MAX is back from the dead after its infamous wreck. So why is the frame gray?
11/5/2008
It's the age-old tug of war between good looks and streamlined, aerodynamic design. 
11/19/2008
Brink TV show seeks "low-budget mad scientist." Jack and his MAX project fit the bill!
11/26/2008
It's time to calculate MAX's aerodynamic drag. Enter champagne science on a beer budget!
7/1/2009
What kind of car would you get with the Car Allowance Rebate System, which gives consumers up to $4,500 to trade in old, inefficient vehicles?
5/15/2010
We're modifying the Lola race car's nose to fit MAX's chassis. The first step is cutting the nose down the middle so we can move the fenders apart a few more inches, which will let us steer enough for parking and other normal street activities.
6/9/2010
There's a new automotive fuel efficiency contest coming up -- the Rally Green -- and now MAX has a tachometer, a digital wonder called a Tiny Tach.
8/3/2010
The clock is ticking and I've been taking some shortcuts on getting MAX ready for Rally Green ... and some have turned into long cuts. I need to work smarter, not faster.
8/18/2010
Renowned inventor Craig Vetter discusses his history with aerodynamics and motorcycles, and his vision for doing more with less energy.
9/2/2010
How will we live with no gas at the pump and no power in the grid?
6/5/2011
Learning from experience, I've put some impact-resistant structure on the back of MAX.
9/19/2011
Wayne Keith of Alabama sets a new world record for land speed via wood gas.
12/14/2012
Using an MPG app may help reduce your consumption of gas, and make your commute and road trips more economical and green.
9/26/2010
MOTHER EARTH NEWS Managing Editor John Rockhold catches up with Chip Beam of Beaver Energy to hear about Beam's latest exploits with wood gasification to power vehicles.
12/29/2010
U.S. energy consumers will rely more on natural gas and renewables and less on imports in 2011. Coal remains dominant.
10/21/2012
MAX finally got a deer deflector, after three years of writing about how much it needs one. It'll give a bit of extra rollover protection, too.
7/1/2013
Whether you’re looking for a sporty two-seater, a large family vehicle, or a heavy-duty farm or work truck, here's how to find the best options for vehicles that use less fuel and save you money.
6/9/2009
In the pursuit of 100 mpg, cardboard is a nice medium for conceptualizing design features, but it has its limitations.
3/26/2009
MAX needs 25 percent more horsepower to get from zero to 60 mph in less than 18 seconds. Got any suggestions?
4/22/2009
You can save gas and money by keeping your tires correctly inflated. And now a group of high school students has launched a project to encourage drivers to regularly check their tires.
7/7/2008
You can run a truck on wood chips! No joke. Mother Earth News reported on this idea more than 25 years ago and the idea lives on. Using recycled water heaters, you can burn wood chips to power a truck, with little or no engine modifications required.
8/28/2008
MAX version 2.0 is underway.
7/11/2008
We're at work on a 100-mpg DIY car! Come meet MAX and take a seat for what will be a long, but fun, journey.
7/16/2008
Is the glass half empty? Half full? Or is there just too much glass? I'm designing MAX to be just the right amount of "glass" for the vast majority of our driving. Here's to efficiency.
7/25/2008
MAX gets a small favor from high-end luxury sports cars.
8/5/2008
Breaking News: MAX Totaled
11/17/2010
We're looking at a handful of low cost improvements, and since MAX is undergoing repairs at the moment, this is a good time to make them.
5/23/2010
MAX's bodywork continues, as Jack modifies the race car nose to fit over the Kubota engine.
6/4/2010
More progress on MAX's streamlined body, using a laser to make curved body parts fit on a flat frame.
6/22/2010
A primer on fiberglass mold making and molding fiberglass parts, using MAX's nose parts (hood and bubble) as examples.
7/20/2012
Wayne you'd better slow down! The master of vehicle gasification is hard pressed to stay within the speed limit.
1/31/2014
Hit the road, using wood for fuel! Chris Saenz takes a trip on wood gas power.
1/21/2014
Ever wondered what its like to drive around using wood as fuel? Tag along with Chris as he fires up his wood gas truck.
6/16/2011
Looking at all the wood powered cars
7/7/2009
Since the U.S. House of Represenatives passed the American Clean Energy and Security Act, the U.S. Senate started work on its own energy and clilmate change bill.
2/17/2011
A year-long study in Oklahoma found that consumers who used energy-tracking technology and pricing plans that let them analyze their usage can cut their consumption in half.
3/8/2011
There are many ways that each of us can lessen our unhealthy dependence on filthy fuels. You can do so in every area of your life, from choices you make regarding your house and home improvements, to food, transportation, and other consumer choices.
6/1/2011
By making a pattern and a mold, we can now reproduce rear fenders as needed.
7/29/2011
Renowned motorcycle inventor and longtime aerodynamics expert Craig Vetter stopped by the MOTHER EARTH NEWS office on his way home from his latest fuel economy challenge.
6/20/2011
MAX has very low rolling resistance, as demonstrated by this three year old kid pushing it around the building.
1/26/2009
President Barack Obama signed an executive order to help reduce automobile gas emissions in the United States. This is the first of many steps that the Obama administration plans to make to improve global warming.
7/1/2009
Considering deer, it’s time for a roll bar.
9/3/2010
Craig Henderson and his Avion high mileage sports car went from Canada to Mexico at 119.1 MPG. He plans to produce Avion kits.
2/21/2011
Use a digital tire gauge and learn how to check tire pressure regularly to get better gas mileage. While other types of gauges exist, the digital tire pressure gauge is an accurate and simple way to keep your tires properly inflated. Read this digital tire gauge review to see what digital tire pressure checkers you can buy.
2/7/2011
Volkswagon's high mileage (1 liter of fuel per 100 kilometers) car is getting closer to production. Expect to see 100 of these available to the public in 2013.
12/23/2010
MAX gets a low cost, high accuracy, and none too attractive fuel gauge. Two out of three ain't bad.
3/2/2011
During National Ground Water Awareness Week next week, let's bring attention to what natural gas drilling is doing to our ground water supplies.
7/28/2011
This is a rundown of films that came out in the last few years. These films cover a wide range of environmental topics, from energy, climate, and fuel, to food, farming, and health. Many of the films have won awards or been critically acclaimed.
3/6/2013
According to the Federal Energy Regulatory Commission, 100 percent of the electric generating capacity added in January was renewable.
1/27/2012
Baking the Great American Apple Pie chases away the blues and grays that sometimes afflict the homestead.


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