Secretary of Transportation Sean Duffy immediately moved to roll back fuel efficiency standards moments after being sworn in ...

Here are five reasons why the Trump administration’s action matters. Duffy ordered his chief of the National Highway Traffic ...

Dozens of people — including more than a dozen figure skaters — were killed after a collision between an American Airlines ...

Sean Duffy, for transportation secretary ... what he called the more urgent crises of malnutrition, disease and air pollution.Despite its name, the Energy Department has limited purview over ...

Sean Duffy, for transportation secretary ... reliable energy risked inflaming what he called the more urgent crises of malnutrition, disease and air pollution.Despite its name, the Energy Department ...