Iowa Sens. Chuck Grassley and Joni Ernst are calling on President Joe Biden to unleash the production and use of American-made renewable fuels to curb surging fuel prices and replace imported fuel from Russia. 

The two senators co-sponsored bipartisan legislation in­troduced last week called the Home Front Energy Independence Act, which puts a ban on Russian oil into law while removing constraints on U.S. biofuels. Sen. Amy Klobuchar (D-Minn.) is the lead Democratic sponsor, while Sens. Tammy Duckworth (D-Ill.), Roger Marshall (R-Kan.), Tammy Baldwin (D-Wis.) and ...