emissions

So, you've done the right thing: You've decided your next car will be considerably more fuel-efficient than the one you drive now. That's great news. But, have you considered how it's built--and more to the point, what it's built out of? A new peer-reviewed paper from the Oak Ridge National...

Many among the Detroit auto media were skeptical of Tesla Motors for years, correctly noting just how hard it is to start a car company and build a genuinely appealing product--electric car or not. But as Tesla continues to sell Model S electric luxury sedans, expanding into Europe and China as...

Leaking air-conditioner refrigerant may be increasingly contributing to global warming.

One advantage to plug-in electric cars is that they can operate with no carbon footprint if the electricity used to recharge them is generated from renewable sources. Burning liquid fuels, on the other hand, will always generate carbon emissions. Now Audi is offering a way for German buyers of its...

While use of coal for generating electricity has started to decline in the U.S., China continues to build coal power plants. With public anger at filthy air bubbling below the surface, and the costs of associated health effects more apparent, the country's government is well aware of the long-term...

Agricultural and construction equipment is getting greener to meet stricter EPA standards.

As vehicles all over the world slowly get more fuel-efficient, the energy required to make them--and their thousands of parts--is coming to represent a higher proportion of their lifetime energy footprint. And this, in turn, is leading carmakers to focus on cutting the energy required to...

U.S. mass transit usage continues to grow, while car usage remains stagnant.

The number of E85 fueling stations has grown significantly over the past few years, but they're still few and far between.

Honda hopes to encourage suppliers to use CNG for their delivery vehicles.

Analysts believe "Peak Car" may arrive in the next decade, permanently capping sales at 100 million per year.

New emissions standards will reduce the amount of sulfur in gasoline to 10 ppm.

Walmart's concept truck features a radical aerodynamic body and turbine range extender.

Running a diesel engine on gasoline could significantly improve efficiency, researchers say.

Which new vehicle sold today has the lowest overall carbon footprint over its lifetime? The answer, according to Automotive Science Group (via InsideEVs), turns out to be the Nissan Leaf battery-electric car. In a study to be released this spring, The Automotive Peformance Index: Redefining Value...

Car sharing is more popular than many have previously estimated, the study's authors say.

A trial program with electric cars at the Kennedy Space Center is going better than expected, cutting greenhouse gas emissions in company vehicles. In fact, the center's sustainability office suggests the results are 10 times better than those expected--electric cars are making a real impact...

Rossi Honda of Vineland, New Jersey is the first dealer to go electric-grid neutral.

China surpassed 20 million new-car sales in 2013, but analysts believe those numbers will decline as air pollution becomes unbearable.

Industrialization has given the world some of its greatest inventions and unequivocally improved our lives, but it's also played a part in one of today's most pressing issues: man-made climate change. The Union of Concerned Scientists cites a paper by Richard Heede, Tracing anthropogenic carbon...