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.
72 mpg for under $6,000! How cool is that? Really, we want to know.
My low-fuel light came on. Gulp. Will it be a $50 filling?
You can boost your mpg by losing the cargo in your trunk. Then help reduce global warming emissions by sweating off a few pounds.
5W-30? 10W-30? Be sure you get the right motor oil grade.
Slow down and enjoy the scenery — you'll also enjoy a significant boost in your mpg.
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.
Are gas guzzlers becoming popular again? Dan Chiras gives his outlook.
How long has it been since you checked your tire pressure?
Green means go, but don't go too quickly.
Here's another gas mileage myth busted: it's better to turn off your engine than to leave it idling.
Sometimes the most direct route to your destination may not be the most fuel-efficient.
Forget what your grandpa told you — there's no need to warm up your car every cold winter morning.
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.
Want more gas for your money?
Don't rip yourself off at the gas pump — stop topping off!
Two seasoned gearheads weigh in on the benefits (or lack thereof) of converting a V8 engine to run only on four cylinders.
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?
An automotive whiz explains why it's not a great idea to let your car warm up by idling.
Sequestered indoors, Jack goes to work on streamlining MAX's body.
Thoughts on the potentially fuzzy math of mpg calculations.
General Motors vice chairman Bob Lutz recently discussed the price of the highly anticipated Chevrolet Volt. What do you think?
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.
Calculating your fuel economy is easy and can help you save big bucks at the pump.
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.
MAX is back from the dead after its infamous wreck. So why is the frame gray?
It's the age-old tug of war between good looks and streamlined, aerodynamic design.
Brink TV show seeks "low-budget mad scientist." Jack and his MAX project fit the bill!
It's time to calculate MAX's aerodynamic drag. Enter champagne science on a beer budget!
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?
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.
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.
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.
Renowned inventor Craig Vetter discusses his history with aerodynamics and motorcycles, and his vision for doing more with less energy.
How will we live with no gas at the pump and no power in the grid?
Learning from experience, I've put some impact-resistant structure on the back of MAX.
Using an MPG app may help reduce your consumption of gas, and make your commute and road trips more economical and green.
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.
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.
In the pursuit of 100 mpg, cardboard is a nice medium for conceptualizing design features, but it has its limitations.
MAX needs 25 percent more horsepower to get from zero to 60 mph in less than 18 seconds. Got any suggestions?
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.
MAX version 2.0 is underway.
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.
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.
MAX gets a small favor from high-end luxury sports cars.
Breaking News: MAX Totaled
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.
MAX's bodywork continues, as Jack modifies the race car nose to fit over the Kubota engine.
More progress on MAX's streamlined body, using a laser to make curved body parts fit on a flat frame.
A primer on fiberglass mold making and molding fiberglass parts, using MAX's nose parts (hood and bubble) as examples.
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.
By making a pattern and a mold, we can now reproduce rear fenders as needed.
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.
MAX has very low rolling resistance, as demonstrated by this three year old kid pushing it around the building.
Considering deer, it’s time for a roll bar.
Craig Henderson and his Avion high mileage sports car went from Canada to Mexico at 119.1 MPG. He plans to produce Avion kits.
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.
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.
MAX gets a low cost, high accuracy, and none too attractive fuel gauge. Two out of three ain't bad.
Explore how you can make your own home grown organic fuel to power your own transportation or electricity.
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.
This Friday, Beijing will show off its green improvements when the Olympics begin.
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.
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.
As America’s fuel use continues to decrease, proposed solutions such as the Keystone XL pipeline and food-to-fuel conversions may be unnecessary.
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.
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.
Keeping the project going is my goal.
No one had ever attempted to set a land speed record for gasification vehicles so Beaver Energy was the first.
Back at the lab we are installing a new three inch line from the air dryers to the throttle body.
See the power of gasification before we hit the road.
Propelling a vehicle with air or water is possible, but whether it’s practical is another story.
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.
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.
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.
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.
Random statistics on the painful price of gas for early July 2008.
Honda cars are famously reliable, and now there's an online community for owners of 100,000+ mileage cars to share their stories.
The Environmental Protection Agency is taking comments until Nov. 28 on how it should rule on global warming pollutants.
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!
MAX doesn't have a front license plate, and here's why Jack would like to keep it that way.
If MAX is a bit too Spartan for your tastes, here's a homebuilt high mileage sports car that's a bit more plush - a Mazda Miata with a Geo Metro engine - and it's coming to the Mother Earth News Fairs.
Try these tips for cleaning a carburetor.
Oil companies are hungry for more land to drill. But meanwhile they aren't drilling in numerous approved areas.
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.
The low gas prices are something to celebrate in the short-run, but the cause is something that deserves a second, less optimistic outlook.
Our friends over at Utne Reader spotted
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.
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.
Supply and demand have kept E85 gas prices low, and politics has played a role.
I've never been more excited for 2010.
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.
OPEC annouced it would cut oil production to stop oil prices from falling, which might be the best way to reduce American oil consumption.
One of the newest apps for green car owners is Cleaner and Greener Fuels, which locates refueling stations for alternative fuel vehicles.
Here's a rundown of the many reasons behind the recent rise in the price of gas.
Cam considers one of the causes of high gas prices....
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.
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.
Share the pain of rising gas prices together and join the discussion about what will finally motivate us to dramatically change our driving habits.
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.
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.
MAX is back at the shop, awaiting diagnosis and correction of an overheating problem, plus some additional body work before its next venture.
The "High Mileage Car Show" at the latest Mother Earth News Fair, and the pleasure of driving a fuel efficient car.
The second attempt at weatherproofing MAX involves a convertible top which flips open to get in or out of the cockpit. Not perfect, but not bad.
Results of the long-awaited cooling system test, which shows how little air MAX needs through the radiator.
In the interest of making MAX a smidgeon safer, I've added side bumpers to the passenger compartment. Here's why I made them this way.
Machine expert Hank Will offers advice on whether to drain the gas tanks of machines that will be idle for a while.
Save money and gas this Earth Day — and every day! — by using these five green driving tips from the Car Care Council.
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.
Wayne Keith of Alabama sets a new world record for land speed via wood gas.
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.
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.
U.S. energy consumers will rely more on natural gas and renewables and less on imports in 2011. Coal remains dominant.
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.
Wayne you'd better slow down! The master of vehicle gasification is hard pressed to stay within the speed limit.
Hit the road, using wood for fuel! Chris Saenz takes a trip on wood gas power.
Ever wondered what its like to drive around using wood as fuel? Tag along with Chris as he fires up his wood gas truck.
MAX is getting prepped for paint, and all the essential bodywork is done for the new, streamlined roadster body.
Looking at all the wood powered cars
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.
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.
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.
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.
During National Ground Water Awareness Week next week, let's bring attention to what natural gas drilling is doing to our ground water supplies.
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.
According to the Federal Energy Regulatory Commission, 100 percent of the electric generating capacity added in January was renewable.
Baking the Great American Apple Pie chases away the blues and grays that sometimes afflict the homestead.