Citizens for Responsibility and Ethics in Washington (CREW) today sued the Environmental Protection Agency (EPA) for failing to provide documents regarding oil industry efforts to influence the 2014 Renewable Fuel Standard (RFS).

Last May, following a Reuters article describing how the Carlyle Group and Delta Airlines had lobbied members of Congress and the administration to reduce the amount of renewable fuel required to be blended into transportation fuel, CREW asked for an investigation by the EPA’s Office of Inspector General and filed a Freedom of Information Act (FOIA) request for records. It took months for the EPA to release even the documents the agency already had provided to Reuters, and it has yet to hand over all relevant documents.

Based on a follow-up Reuters article, CREW also has concerns that oil companies leveraged high-level political connections to convince the White House and the EPA to insert special waivers into the RFS that could potentially allow oil companies to refuse to sell biofuels.

“It certainly seems as if the administration has backtracked on its commitment to renewable fuels. The question is why. Was there a back room deal orchestrated by big oil and high ranking officials in the Obama administration?” asked CREW Executive Director Melanie Sloan. “Even though it is nearly 2015, the renewable fuel standards for 2014 still haven’t been released. Is this to avoid potential political fallout in the mid-terms for siding with the oil industry over the biofuel industry?”

CREW also notes that Senators Ed Markey (D-MA) and Barbara Boxer (D-CA) sent a letter earlier this month to the White House expressing their concerns about EPA potentially inserting a waiver into the RFS, which would allow oil companies to refuse to distribute renewable fuel. Carlyle and Delta lobbied heavily for both of these modifications to the program and would benefit financially from the change.