Just think what the waste fat from 46 million Thanksgiving turkeys could fuel.

It turns out that it's probably beef fat.

Is this company getting closer to the dream of making truly sustainable carbon-negative fuel?

Public transportation, while maybe not as enjoyable as commuting in your own personal vehicle, does ease congestion, reduce emissions. Need more convincing? Here's more info about public transportation.

You don't have to be Sherlock Holmes to figure out that there's something going on if a train crosses the US-Canada border 12 times back and forth (24 times across the line) without unloading its cargo.

Doing the math on biofuels. Do they make sense? What are the problems? What are the alternatives?

The development of a new method of making biodiesel from sewage sludge could make the process economically feasible for biofuel production.

Is the conventional wisdom that we need not worry about tailpipe emissions in biofuel-powered vehicles, because the plants had been absorbing carbon while growing, grossly misguided?

Using alternative fuels, carbon offsets, and strict on-board rules, the Atlantic Cup aims to be the first carbon-neutral race in the U.S.

A box-truck that has been converted into a mobile greenhouse is traveling across the country teaching kids about sustainable agriculture.

An Oakland man doubles the fuel economy of his 1983 full-size pickup. We could all learn a thing or two from his techniques.

Plus... New global solar photovoltaic stats (good news); Spain's new feed-in tariff response (not so good news); and India again doubling-down on solar (really impressive).

He was converting a 1959 Lincoln Continental into a gasoline-electric hybrid running on biodiesel.

A pickup built by Boise State University students has set a landspeed record for vegetable oil-powered vehicles.

The largest biofuel powered caravan in the country has been on the road all summer, bringing the Sustainable Living Roadshow to cities near you. The tour is a fun way to bring sustainability living

From developing Masdar, a much talked about clean-energy city, to lesser initiatives like solar-powered public bathrooms, the United Arab Emirates has made some not-insignificant strides to move into a clean energy future. The BBC reports that one

Airports need lots of room for planes to leave and land. And airplanes spew a lot of greenhouse gases. Idea: Grow crops on airport property to power the planes, and maybe help offset carbon emissions. It's an idea that may be

There are plenty of claims out there from people promising amazing fuel economy. Some of these claims