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 ...

Senate Republicans agreed today to override Senate rules and use the Congressional Review Act to block California’s clean car waivers, which allow the state to set stronger standards to protect people ...

Researchers reviewed how air pollution, especially fine particulate matter (PM2.5), drives the development and worsening of ...

Electric vehicles are becoming increasingly affordable, but that's not necessarily the case in the United States.

The House took three votes on different California policies. It approved a bill sponsored by Rep. Jay Obernolte, R-Big Bear Lake, to disapprove the state’s most recent nitrogen oxide (NOx) engine ...