Ahead of the House vote on H.J. Res. 87, H.J. Res. 88, and H.J. Res. 89 that would block EPA’s waivers for California’s Advanced Clean Trucks (ACT), Advanced Clean Cars II (ACC II), and Heavy-Duty Vehicle Omnibus (HDO) rules, LCV sent the following letter to members of the House of Representatives urging them to vote no.