Word: co2
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...This all sounds egalitarian in impulse and wonderfully eco-friendly (even if Livingstone's staff have placed a large bouquet of exotic flowers, fresh off a plane, on the desk where he will sign off on the CO2-saving scheme). So why am I less than enthused by the announcement? Full disclosure: sitting in my garage is the kind of car that the mayor wants kept off the streets...
...Johnson argued that California's regulations had been preempted by national fuel economy legislation just been signed into law by President Bush, which requires all new cars and trucks to meet a toughened 35-mpg standard by 2020. He also contended that CO2 - unlike the pollutants that cause smog and other local problems - causes an essentially global problem, and therefore California's request didn't meet the "extraordinary and compelling" justification needed for a state waiver under the original Clean Air Act. "The Bush Administration is moving forward with a clear national solution - not a confusing patchwork of state rules...
Environmental Protection Agency (EPA) denying California and 16 other states the right to set their own standards for carbon dioxide emissions from automobiles was an unpleasant surprise, even by Bush standards. The announcement, made by EPA Administrator Stephen Johnson, temporarily torpedoes state efforts led by California to drastically reduce CO2 emissions from cars by treating the greenhouse gas as a pollutant that could be regulated like any other. The California initiative, part of the state's landmark climate change plan, could have provided a nationwide model for cutting automobile emissions, one of the single biggest sources of greenhouse...
...national fuel bill sets 35 mpg as a federal fuel economy floor, not a ceiling - and in any case, California officials contend that their rules would require at least 36 mpg by 2016, with room to grow. The idea that there would suddenly be a "patchwork" of state CO2 regulations seems unlikely as well, since only California has put forward its own standards, with 16 other states ready to adopt Sacramento's rules, in line with California's role as a national leader on environmental regulation. And several recent court cases have recognized the right of states to regulate CO2...
...Commission announced back in February that carmakers should cut CO2 emissions to 130g/km through improvements in vehicle motor technology by 2012, with the further reduction of 10g/km to be achieved by additional measures like using biofuels, improving tire performance, and developing less intensive air-conditioning systems...