CO2 from new cars in Europe 38% worse than promised, study says
FRANKFURT (Bloomberg) -- European cars probably discharged 38 percent more carbon dioxide on real-world roads last year than their ratings promised, a widening gap with both consumer and environmental implications, a transportation lobby group said.
Higher emissions translates into burning more fuel, costing the average consumer an extra 450 euros ($570) annually, the International Council on Clean Transportation said in a report.
Regulators' acceptance of hard-to-interpret results, poorly defined standards and a failure to take options such as start-stop technology or air conditioning into account mean laboratory tests are becoming less likely to reflect real-world driving, the group said.
The difference in emissions from industry specifications has widened from 8 percent in 2001, and "for society as a whole, the gap more than halves the official carbon-dioxide reductions achieved during the last 10 years, making it more challenging to meet our CO2 reduction and climate-change mitigation objectives," the council said.
EU regulators have been tightening energy efficiency standards across all industries over the past decade, and in July proposed deepening the target by 2030.
The transport lobby said governments that base vehicle taxes on assumed fuel use and CO2 emissions are probably missing out on revenue if consumption is higher than estimated.