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Summary of proposal to overhaul the legal framework for ensuring that vehicles meet all environmental and other regulatory requirements, with a focus on market surveillance, better enforcement practices, and vehicle recalls.
Compares official fuel consumption values with real-world performance for 20 popular vehicle models. Officially, fuel consumption gains in these 20 models ranged from 8% to 30%. But on-road measurements indicate that 8 of the 20 showed little to no improvement in real-world fuel efficiency.