The EPA has moved one step closer to allowing a higher blend of alternative fuel in your cars, but the usual suspects aren't on board.

Ethanol subsidies are such a wedge issue in Iowa that one candidate says he will stay away.

The latest assault on ethanol subsidies comes from one of the nation's leading newspapers.

The Energy Information Administration said on Wednesday that U.S. ethanol production was down about 1 percent.

When the 43 NASCAR drivers start their engines for Sunday's Daytona 500, they will be doing so for the second year with American ethanol-blended fuel in their g

Probably not, but one enthusiast is organizing a petition to make the social networking site consider the idea.

Kenaf, the carbon-sequestering monster plant, provides food, shelter and carbon credits.

World's leading CEOs and policy-makers 'creating environmental capital' in tough economic times.

Carbon offsets could work in Indonesia, "clean coal" is a fantasy, beer companies are going greener, and can car factories really be local?

Two fair trade pioneers get into the carbon market.

Maybe carbon offsetting isn't as fool-proofed as many businesses would like people to believe.

As demand for carbon accounting heats up, start-up software companies vie for the lead position. Over 50 new companies (and counting) have entered the race.

Private brokerage service Ecostreamjet purchases carbon credits to offset emissions generated by each flight.

Green Shipping lets businesses and individuals measure and offset the CO2 emissions of packages when using UPS, FedEx or the U.S. Postal Service.

Power Trip is a fascinating journey through our incredibly complex relationship with oil, energy and everything in between.

MNN chats with guitarist Stone Gossard about the band's latest project and why the group is passionate about making a difference for the environment.

This month, scientists and tree lovers celebrate the 2nd birthday of a hybrid chestnut tree that may be a force in reducing the impacts of climate change.

Matt Hickman unravels the mysteries behind offsetting CO2 and buying RECs. (Hint: One of them can fund tree-planting efforts.)

Norfolk Southern is working with GreenTrees LLC on a five-year reforestation project.

COTAP will focus its carbon offsetting projects in impoverished countries.

Mary Barra is a GM insider, but she's also a change agent who will continue the company's aggressive comeback.

Rarely use your car but keep it around for emergencies? Try a car sharing service.

Traffic driving you crazy? Let MNN get you on track to a more astute commute with these carpooling and public transit tips.

Type in your destination, and Cost2drive figures out your gas costs and CO2 emissions.

My new bike has a lithium-charged motor that kicks in just enough added oomp to power me through hills and headwinds.

Video: Sabrina Bryan and Robbie Amell give you their eco-tips.

Video: Get your green tips from Amanda Seyfried and Olesya Rulin.

Officially called the "3D fast bus," the bus will literally straddle the road and carry passengers over cars and under overpasses.

Morieka Johnson can help you maximize those trips to school, tae kwon do, gymnastics, soccer ...

Many city dwellers are opting to give up driving their own cars for a month to take Zipcar's Low-Car Diet challenge. Could you go car-lite for 30 days?

"Why do you have to sing everything like you just swallowed a pair of jazz hands?!"

Driving with a burger in one hand and a cellphone in the other is a sure recipe for highway disaster. And all that old food is hanging out, just waiting to give

Studies show that drivers older than 85 get into fatal accidents almost 4 times as often as teens do, and intersections are a problem.

Two new studies decipher who prefers which kind of car, revealing unexpected attitudes that challenge many assumptions.

Which form of travel gives off the fewest emissions? Let's just say it pays to carpool.

Public transit has long been undervalued as a mobility option. Thanks to new technologies and new ways of living, that's changing.

Uber and Lyft are both offering discounted ridesharing services. Today in San Francisco; tomorrow the world.

Helsinki is experimenting with a plan to match people with rides, making cars unnecessary.

Car2Go is now the world's largest service, with a million members and a new outpost in Brooklyn.

Automakers like Volvo, VW, BMW, Audi and Mercedes are going full speed ahead, aiming for autonomous cars on the road by 2025.

A new report from KPMG sees 500 billion annual miles from people who might have otherwise stayed home.

Autonomous vehicles will be ready soon — to ferry retirees around closed communities.

The city fleet will have 425 Leafs, Volts and Energis on the road by early next year.

Sales of plug-ins are a fraction of cars sold, but governments and industry are doing their part to make that number grow.

The key question isn't why Tesla stock dipped below $200, but why GM and Ford are at $30 and $14.

Is this the start of a trend in which automakers make money retrofitting older cars?

The introduction of the 2015 Kia Soul EV brings the notion of a practical, affordable all-electric car closer to the driveway.

Exciting new hybrids from Mitsubishi, Kia and Volvo are the talk of the Windy City.

When the weather outside is frightful, battery performance suffers.

Cars with 10 horsepower, fish tanks and Home Depot hardware are just part of the fun. Some even plug in.