WASHINGTON - MARCH 6:  U.S. Rep. Peter Welch (D-VT) (R) speaks as Rep. Brad Sherman (D-CA) (L) looks on during a news conference to introduce a new legislation on Capitol Hill March 6, 2008 in Washington, DC. Welch and Sherman and 58 House members have co-sponsored a legislation to overturn the recent Environmental Protection Agency decision to deny California's request for a waiver to adopt stricter automobile greenhouse gas emissions standards. Getty Images logo Getty Images 21 months ago

WASHINGTON - MARCH 6: U.S. Rep. Peter Welch (D-VT) (R) speaks as Rep. Brad Sherman (D-CA) (L) looks on during a news conference to introduce a new legislation on Capitol Hill March 6, 2008 in Washington, DC. Welch and Sherman and 58 House members have co-sponsored a legislation to overturn the recent Environmental Protection Agency decision to deny California's request for a waiver to adopt stricter automobile greenhouse gas emissions standards.