Senate rejects GOP environment, energy proposals

WASHINGTON — The Sen­ate killed Republican-backed attempts to over­turn sev­eral of Pres­i­dent Barack Obama’s envi­ron­men­tal and energy poli­cies Thurs­day as law­mak­ers worked against a March 31 dead­line to keep aid flow­ing to more than 100,000 trans­porta­tion con­struc­tion projects around the country.