The European Union pledged to buy billions of dollars’ worth of energy resources from the United States. Experts say that’s unrealistic and could hurt Europe’s climate goals.

The EU has pledged to buy $750 billion of energy from the U.S. in exchange for a lower rate tariff rate in its trade deal, but analysts say this is unrealistic.

“We will drill, baby, drill,” President Donald Trump declared at his inauguration on Jan. 20. Echoing the slogan that exemplified his energy policies during the campaign, he made his message clear: more oil and gas, lower prices, greater exports.