Markus Imhoof's new documentary balances microphotography with compelling storytelling. The film will debut on June 10.

The breakthrough works like a rechargeable battery that is charged by sunlight.

This new documentary is a love song to Big Oil, and it's underwritten by oil and gas interests. Watch the trailer with awe and wonder.

Thousands of pounds of moldy cardigans and unsellable denim shorts are being burned in lieu of oil and coal at Västerås near Stockholm.

With the passing of its first major milestone, NASA is on track to replace its highly toxic fuel with a greener, more efficient one.

Ireland's national investment fund will sell all investments in coal, oil, gas and peat as soon as possible.

The new fuel economy labels include a smog rating, greenhouse gas rating and more.

The plan to manufacture fuel on Mars instead of on Earth could make human missions to Mars more practical.

New report calls for less damage in the development of biofuels.

Two companies, both with ties to Denmark, produce low-cost enzymes that can greatly reduce the cost of environmentally friendly biofuels made from agricultural

Twenty-three different groups want the government take more time to study the issue.

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

What if we could turn our fuel emissions back into fuel?

Ethanol has big fans in Hollywood. Can you believe the Kill Bill Trans-Am running on biofuel? Plus: We get a video tour of Begley's garage.

The 2012 Toyota Prius V is capable of 44mpg in the city.

AT&T is now one-third of the way through its 15,000 alternative fuel vehicle goal.

According to a new Consumer Reports survey, 37% of car buyers consider fuel efficiency first.

The biennial event is dedicated to raising awareness about the importance of alternative fuel vehicles.

According to the U.S. Energy Information Administration, alternative fuel vehicles could have a nearly 50% market share by 2035.

A new survey shows that fewer Americans are interested in flex fuel vehicles and instead prefer fuel-efficient standard gasoline models.

If your car isn't getting the gas mileage you want or expect, it might be time to put down the carbs and pick up the dumbbells because your body may be the prob

Ford wants you to have a better understanding of how your driving impacts their fuel efficiency.

5 cheap affordable cars

The U.S. Department of Energy and the EPA announced the release of a new fuel economy tool for used vehicles.

new truck standards

The EPA is proposing new low-sulfur gasoline be phased in starting in 2017. Everybody's happy — well, everyone except Big Oil.

The Eco-Marathon brings together the best and the brightest students to create the most efficient cars.

two ford fiestas

Carmakers have to reach 54.5 mpg by 2025, but $2 a gallon gas and the popularity of gas guzzlers might change that rule.

But a new University of Michigan poll reveals huge gender gaps in car knowledge.

Study shows fuel efficiency hasn't changed much since 1923, but emissions are way down.

Mars and back on a tank of fuel? Ion drive could revolutionize space travel.

Fuel-cell advocates are none too happy about Department of Energy Secretary Steven Chu’s abrupt decision earlier this month to cancel $100 million in hydrogen

The New Clermont seeks to recreate Fulton's 1807 journey from New York City to Albany in a new-fangled steamboat and demonstrate hydrogen's potential. But their

Unit from Germany is the answer for off-grid campsites, providing access to 'Glee' reruns, night lighting and microwaves that brown.

The technology would pack a lot of energy into a small space and allow laptops and iPhones to run for weeks without refueling.

Big hydrogen power plants like the one just installed in Bridgeport, Conn., can complement a fleet of fuel-cell cars.

Hyundai's hydrogen-powered Tucson has 265 miles of range, 3-minute fills, and free fuel if you sign a lease now.

Automakers are finally rolling out the high-tech zero-emission vehicles they've been working on for 30 years.

Artificial photosynthesis could produce the perfect clean fuel to run everything.

Two groups have received $80 million in funding from the ARRA for advanced biofuels research.

The U.S. Department of Energy recently awarded $24 million to three algal biofuels research projects.

Engineers have developed a prototype for an engine that's fueled by microwaved air.

Walmart's recent partnership with Plug Power is helping the company meet its three major sustainability goals.

New findings show that microbes present in biodiesel cause reactions that weaken the steel in fuel storage tanks.

Virtually sulfur-free biodiesel fuel is available in blends for home oil burners.

A Canadian company and a partner are the latest to defraud an EPA system designed to bring more renewable fuels into the market.

A thought-provoking infographic explains how we could be turning our food waste into fuel.

Fair Oaks Farms now powers 42 tractor-trailers with compressed natural gas from methane, the largest project of its kind to date.

Sunlight in the form of fuel? A breakthrough new discovery brings science one step closer to creating clean hydrogen fuel using only water and sunlight.