Diesel tuners love playing the victim—but their ‘rebellion’ is just pollution in disguise. From rolling coal to illegal ...

An analysis by WHYY News shows the increased traffic could raise Philly’s transportation sector carbon emissions by around 4%.

The U.S. Senate is moving forward with an effort to block California's nation-leading standards for vehicle emissions.

Republicans have readied a plan to overturn California’s law phasing out gas-powered vehicles, using a statute aimed at ...

It’s incredibly worrying as the street is essentially a bottleneck for commuters, residents along with hundreds of school ...

The dirty cars are caused by wind and debris in the area, according to Randall Collier, a meteorologist with the National ...

Who runs the Senate? The democratically elected Majority Leader, Sen. John Thune? Or leftover partisan Harry Reid-appointee, ...

The U.S. Senate will move this week to block California from enforcing a series of vehicle emissions standards that are ...