CO2 emissions cars

The UK government's attempt to lower CO2 emissions by raising vehicle tax on high-emission vehicles could be a complete failure in environmental terms. The reason for this is simple - driving technique has a huge effect on a vehicle's emissions. This article looks at just how big the effect of poor driving can be.

The political nature of the EPA shows up again: top officials ignore their own sceintific experts, according to Senator Barbara Boxer (reported by Bloomberg News and the New York Times)

When historians finally take stock, Vermont may look like the mouse that roared – the tiny state that brought the nation's mighty auto industry to heel by requiring cars that emit fewer greenhouse gases.

This is one scenario that could unfold following a federal judge's ruling Wednesday, which upheld a Vermont law patterned after California's mandate that the carbon-dioxide emissions of cars sold in the state must be slashed 30 percent by 2016.