en years after the Toyota Prius hybrid swept into the market, only about three percent of all cars sold in the United States are electric or gas-electric hybrids, said David Cole, director of the Center for Automotive Research.
"Initially there was probably some excessive exuberance about the green auto," he told AFP.
"But the economics are not attractive yet for the average consumer."
Gina McCarthy, the top air official at the EPA, said the database marked "a major milestone" in the agency's work to address climate change. ..
"EPA has scored a touchdown for the public's right to know about the nation's largest industrial climate pollution sources," said Paul Zalzal, staff attorney at Environmental Defense Fund.