emissions

Recently released census data shows that work commute times continued to increase in 2018, reaching a record 27 minutes each way.

European nations and cities are ramping up bans on vehicles with combustion engines. A similar effort has been considered in California.

About 98,000 VW, Audi, Bentley, and Porsche vehicles allegedly game federal emissions tests used for fuel economy calculations.

The findings of a German court could reopen the Volkswagen diesel scandal.

Automakers frustrated with the lack of progress toward federal fuel economy and emissions standards made a deal with California.

Porsche is helping buyers of its vehicles purchase enough annual carbon offsets to correspond to their model.

At least one startup may be getting close to scaling up fuel production with carbon captured from the air. But burning the fuel would still pollute.

A proposal in California could impose an emissions-check system for commercial big rigs much like that required of passenger vehicles.

Ford, Volkswagen, BMW, and Honda have presented a plan with California, to raise fuel economy toward a target of 50 mpg with a single national fleet.

A proposal aims to target 100 percent renewable energy by 2050, but doesn't take as broad of a focus on other aspects of the Green New Deal.

The EPA has reportedly once again delayed its plans to reveal a plan to freeze federal fuel economy and emissions standards at 2020 levels.

The emergency resolution that declares climate change a national emergency would trigger a more focused effort on carbon emissions.

A wide range of Hyundai and Kia vehicles, starting with the 2020 Sonata, will be soon be getting engines with a next-generation valve system.

In the aftermath of the diesel scandal, the VW Group explains the new European WLTP standards, which include various tailpipe tests.

Europeans aren't buying as many electric cars as regulators would like them to buy; the popularity of crossovers and SUV is also an issue.

On the way to its plan to massively cut carbon emissions, Airbus is reportedly looking at hybrid tech for the replacement for its A320neo.

U.S. vehicle miles traveled figures are up so far in 2019, which could put new scrutiny on the EPA's push to relax emissions and mpg rules.

Particulate matter from diesel engines is one of the primary concerns for a system that uses lasers and informs occupants of cabin air quality.

If the federal government revokes California's waiver allowing it the authority to regulate emissions, the state's agency is making clear it will find a way to keep the polluters out.

Under a plan called Vision 2039, which includes more plug-in hybrids, electric cars, and fuel-cell vehicles, and renewable power, Mercedes-Benz is aiming to make its entire global vehicle fleet carbon-neutral by 2039.