emissions

South African tobacco farmers could grow jet fuel in the near future.

Audi and Volkswagen will undertake a carbon offset program to negate emissions.

You've probably heard it at some point: A friend claims his older vehicle is far greener than the new car with much higher fuel economy you just bought That's because, he says, the old car didn't require all the energy and natural resources your car consumed as it was built. But is that older car...

Calculating the total number of motor vehicles on the planet is an inexact science, but the number is growing rapidly. The automotive trade journal Ward's Auto had estimated that the total crossed 1 billion vehicles sometime during 2010. DON'T MISS: It's Official: We Now Have One Billion Vehicles...

Producing carbon dioxide is an unavoidable part of burning fuel in cars. The problem with this of course is that carbon dioxide is a greenhouse gas. And the more cars there are on the road, the more sources of this greenhouse gas there are. The concept of carbon dioxide capturing has been theorized...

The number of light-duty vehicles on U.S. roads is at a record high/

Take a deep breath and relax. It is highly unlikely that "millions of Americans will be freezing in the dark" (in the words of a critic) once new EPA rules lowering carbon emissions from power plants go into effect. In fact, some analyses suggest that the rules issued last week by the U.S...

Every time a new environmental regulation is proposed in the United States, there's a predictable chorus of doom-and-gloom predictions that it will kill jobs, cause manufacturers to move their operations out of the country, and destroy the economy. Those predictions tend to be a bit, shall we say...

California, Texas, and Florida are the top three states for hybrid and diesel sales, a new study says.

China will step up enforcement of emissions standards, removing 6 million of the worst-polluting vehicles from its roads.

Bamboo is light and strong, but also renewable and more environmentally-friendly than carbon fiber.

BMW answers criticism of its carbon-fiber commitment.

A United Nations paper claims cars and trucks account for just a small percentage of particulate-matter emissions.

Tougher fuel economy standards may make mild hybrids and small turbocharged engines more common in China.

The popularity of diesel vehicles has risen in recent years, as consumers acquaint themselves with the latest generation of cleaner-burning, quieter, smoother and faster diesel cars. All is not well with diesel cars, however--as Researchers at King's College in London suggest diesels are having a...

California dominates the list of most-polluted U.S. cities, justifying its stricter environmental regulations.

Toyota announced yesterday that it would relocate the headquarters of its U.S. arm from Torrance, California, to Plano, Texas. Left unaddressed in the announcement was the fact that the Japanese carmaker, known for its green image and its pioneering Prius hybrid range of 50-mpg cars, is moving from...

The EPA reports 2012-model-year vehicles lowered CO2 emissions even further than required by law.

In the ongoing battles over renewable versus hydrocarbon energy--and the associated public policies, advocacy, and media coverage--the Keystone XL Pipeline has emerged as a flashpoint. Now a long analysis in The New York Times, along with associated commentary elsewhere, argues that Keystone's...

Nine U.S. national parks will deploy clean vehicles as part of an ongoing green initiative.