by Mica Rosenberg

Fuel producers are urging the U.S. Supreme Court to hear a challenge to California’s landmark low carbon fuel standard, the first of a series of cases seeking to roll back state renewable energy laws around the country…

In Colorado, a conservative non-profit group called the Energy & Environment Legal Institute sued to repeal a state law limiting the sale of electricity from fossil-fuel-fired power plants by saying it cramped the interstate market for coal.

A federal judge in Colorado dismissed that case in May but the group is appealing to the 10th U.S. Circuit Court of Appeals.

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