Republican Iowa senator says Trump EPA ‘screwed us’ with biofuel waivers

WASHINGTON (Reuters) – Iowa’s Republican Senator Chuck Grassley said the Trump administration’s Environmental Protection Agency has “screwed” the U.S. ethanol

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U.S. EPA proposes hike in biofuel mandate to 20.04 billion gallons in 2020: sources

WASHINGTON/NEW YORK (Reuters) – The U.S. Environmental Protection Agency has proposed increasing the volume of biofuels refiners must blend into

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EPA will study ethanol’s impact on air quality after long delay

FILE PHOTO: The U.S. Environmental Protection Agency (EPA) sign is seen on the podium at EPA headquarters in Washington, U.S.,

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Biofuels group Growth Energy sues U.S. EPA over small refinery exemptions

FILE PHOTO: The U.S. Environmental Protection Agency (EPA) sign is seen on the podium at EPA headquarters in Washington, U.S.,

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Root and branch reform: Swedish scientist makes fuel from tree waste

LUND, Sweden (Reuters) – Might tree roots, twigs and branches one day be used to power cars? That’s what a

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