Twelve Texas counties have recently exceeded federal air quality standards for particulate matter, commonly known as soot.

California abandons clean truck, locomotive rules after Biden's EPA doesn't grant waivers needed to depart from federal rules ...

The rule aimed to end sales of new fossil-fuel-powered trucks by 2036 and require large fleets to transition to electric or ...

A Southwest Airlines pilot was arrested Wednesday at a Georgia airport just before takeoff and accused of driving under the ...

A Southwest Airlines pilot was arrested at a Georgia airport and accused of DUI on Wednesday. A Transportation Security ...

The California Air Resources Board (CARB) has scrapped its controversial rule that would have required the use of zero-emissions ...

Duffy said he would allow the Transportation Department to follow the evidence regarding Tesla and not interfere, even in the face of political pressure.

A Southwest Airlines flight bound for Chicago was delayed for multiple hours after a pilot was arrested and charged with DUI at an airport in Georgia, police said.

The Transportation Department is stepping up enforcement of persistent flight delays with a lawsuit against Southwest Airlines and a fine against Frontier Airlines.

Sean Duffy, Trump's pick for transportation secretary, says "we will craft clear regulations which balance safety, innovation ...