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Study Finds Government Mandates Superior to All Other Biofuels Policies, But Mixing With Subsidies Causes Adverse Effects; The Argument for a Direct CO2 Tax

Green Car Congress

Further, the US standard is highly unlikely to survive a legal challenge in the WTO under the exception for the environment, because the latter requires a measure that is necessary and least trade-restrictive, and not discriminatory or arbitrary (criteria that a sustainability standard does not meet).

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