emissions

Air in Beijing was so bad last week that drivers couldn't see.

The Volkswagen diesel emission scandal deepened on Tuesday as German regulators ruled that software to evade the use of emission-control systems constituted an illegal "defeat device." Known by its initials KBA, the German Federal Motor Transport Authority issued its decision in an e-mail--though...

Angela Merkel complained about California emissions standards to the head of the state's Air Resources Board in 2010.

Bill Gates and other billionaires plan to coordinate investments in clean energy.

Chevrolet says it's achieved the carbon-reduction goal it set for itself in 2010.

A BBC tests shows that Volkswagen "defeat device" software cheats on European emissions tests.

Saudi Arabia's proposal for upcoming climate-change talks is as much about preserving its economy as reducing carbon emissions.

The EPA is testing all new diesel cars in real-world conditions.

Exxon-conducted research confirmed climate change decades ago, new reports say.

Investigations by VW and numerous government agencies into the company's TDI diesel-emission cheating scandal are still underway, so there's not a lot Volkswagen can say right now. But to try to stem damage among its TDI owners, VW's U.S. arm yesterday announced a "goodwill" program for the 482,000...

Bob Lutz claims a culture of fear led to Volkswagen's emissions cheating.

Although VW headquarters in Germany came out swinging against the U.S. EPA's contention that its 3.0-liter TDI diesel engines contained illegal emission software, Porsche's U.S. arm suspended sales of its Cayenne Diesel on Tuesday. Now, Volkswagen Group of America has issued a stop-sale order to...

Another day, another Volkswagen emission scandal? It's beginning to seem like it. The latest news is that VW Group in Germany has found "irregularities" in carbon-dioxide emission levels in roughly 800,000 vehicles, mostly diesels, producing fuel-economy figures that were too high. That discovery...

Sometimes there's no substitute for having a reporter right at a press event--with a smartphone. David Shepardson, D.C. bureau chief for The Detroit News, attended a press conference held by the U.S. Environmental Protection Agency today. At that event, the EPA revealed that some 3.0-liter V-6 TDI...

The official press release from the European Union sounds as though Wednesday's vote on new emission-testing rules makes it tougher for automakers to cheat as Volkswagen admitted doing with its 2.0-liter diesel engines. Indeed, the new rules add on-road tests of emissions in real-world driving to...

A new plan by Oslo's city council would permanently eliminate cars from the Norwegian capital's downtown.

It's well established by now that the energy required to extract raw materials and turn them into a finished car is considerably less than the energy that car will consume over its lifetime to move itself around. But that isn't stopping manufacturers from chipping away at the huge amounts of energy...

Volkswagen owners can now check to see if their diesel cars are being recalled.

The Union of Concerned Scientists revises its carmaker emissions rankings in light of the Volkswagen diesel scandal.

Toyota hopes to virtually eliminate carbon emissions from the cars it produces by 2050.