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TransportPolicy.net provides comprehensive, up-to-date, accurate, and sourced information on energy and environmental regulations in the transportation sector worldwide, with a focus on emissions and fuels.

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European Union United States, California China Japan India Brazil Mexico Global comparisons	Light-duty vehicles Heavy-duty vehicles	Emissions standards Fuel efficiency and GHG Fuels

TransportPolicy.net is a collaboration between the International Council on Clean Transportation and DieselNet.