Pollution isn't just hurting our environment. It is a bigger cause of death in Southern California than motorized vehicles!
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.
Renewable energy expert Dan Chiras talks about the future of fuel-efficient, diesel hybrid cars.
A couple readers passed on their advice about how to handle car dilemmas. Maybe biodiesel is the answer.
Lack of interest threatens ClimateSmart, a program that helps PG&E customers in California offset their carbon emissions, is about to be cut.
We all know that carbon dioxide emissions are a major cause of global warming. Now, we can pinpoint exactly where the problem is concentrated.
For the first time ever, Diesel motorcycles publicaly demonstrate their potential in real riding.
Mopeds are springing up all over America, but are they really as environment-friendly as people make them out to be? Find out what I've learned and see if there's anything you want to add.
MyEmissionsExchange.com stimulates the economy and combats global warming by paying registered users for reducing their energy use.
Yanmar announces new utility tractor in the Lx HST Series.
A new Environmental Protection Agency website helps homeowners and renters decrease their energy consumption and cut carbon emissions.
New EPA regulations require 35 percent reduced emissions from lawn-care equipment by 2011.
Carbon offsets had a few holes when the Christian Science Monitor investigated the carbon credit market. Without an overarching voluntary carbon standard, carbon offset programs could be bogus.
Feels like I'm finally getting the ball rolling on my DIY Plug-In Hybrid Truck Project. I got a chance to visit Hot Rod Jim, talk about drive shafts, and even got the bed off the truck!
A treatise on the difference between a gasoline engine throttle and a diesel "throttle," what that means for MAX, and how the difference was overcome.
This year, why not resolve to go on an energy diet? The idea is to set a few measurable goals to make your home more energy efficient and then keep track of your progress.
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.
A reader recently raised concerns that MAX is illegal in Uncle Sam's eyes. Here's the skinny.
Last year saw the biggest jump in CO2 emissions from power plants ever. Texas, Florida and Ohio lead the pack.
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.
Calculate your personal carbon footprint and compare your total to both the average per capita footprint worldwide and the average footprint in the United States.
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.
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.
MAX got a smog test at an Oregon DEQ Vehicle Testing Station, and passed with high marks.
A solar-powered cooker made out of cardboard boxes, which aims to reduce carbon emissions, deforestation and the spread of water-borne diseases, took home the first prize at the Climate Change Challenge.
Is MAX an actual modern-day vehicle, or just a high school shop class experiment? In this update, Jack answers sharp questions from an automotive engineer.
Grasshopper announces a new online tool designed to calculate fuel costs and impacts of commercial mowing equipment.
First in a series of blog posts which will cover conversion of lawnmowers and small engines from gasoline to propane.
Detroit automakers ask Congress for $25 billion, but that money could come with some energy efficiency strings.
Taking a bus or a train can be a great green way to reach your vacation destination. We'd like to hear more about your bus or train travels and what you liked, or didn't like, about the experience. Share your story here!
Round two of three international conferences to determine new emissions standards for the next Kyoto Protocol meets this week and next week in Poznan, Poland.
This blog explains how the carbon cycle regulates atmospheric levels of carbon dioxide. The blog also discusses how the burning of fossil fuels has disrupted the carbon cycle which increases the amount of carbon dioxide in the atmosphere.
The New York Times reports our carbon emissions in 2011 were the highest on record. Reduce your family's carbon footprint by choosing vegetarian recipes such as Fennel and Leek Soup and Delicata Squash Stuffed with Wild Mushrooms and Herbs.