R-134a is a potent greenhouse gas with a GWP (global warming potential) value of 1,430. By comparison, CO2’s GWP is 1. (AP) Air conditioning has made it possible to live comfortably in many hot places, but the special chemicals that makes ...

A majority of Americans support higher pay for auto workers who are on strike against Detroit’s Big Three carmakers, although approval of the workers’ other demands is more mixed, according to a poll from The Associated Press-NORC Center for Public ...

TORONTO — Autoworkers walked off the job at three General Motors facilities in Canada early Tuesday after failing to reach agreement with the automaker. Their union, Unifor, represents more than 4,200 workers at the plants. They had warned they would ...

DETROIT — Meaningful progress has been made in negotiations between the striking United Auto Workers union and Detroit’s three auto companies, according to a person with direct knowledge of the talks. The person said Wednesday that progress was reported at ...

WASHINGTON — U.S. Rep. Henry Cuellar was carjacked by three armed attackers but was unharmed, the Texas Democrat’s office said. Cuellar’s chief of staff Jacob Hochberg released a statement Monday night saying: “As Congressman Cuellar was parking his car this ...