Looking to cut pollution from its fleet of diesel-burning school buses, an Oklahoma school district last year doubled its electric vehicles.

U.S. Democratic Sen. Michael Bennet is running for Colorado governor next year, saying in an interview with The Associated ...

Officials at Phoenix Sky Harbor International Airport are urging travelers to be mindful of the Real ID Arizona deadline on ...

The top federal prosecutor in New Jersey says she has launched an investigation into Democratic Gov. Phil Murphy and state Attorney ...