American Petroleum Institute Sues EPA Over Emissions Regulations – Fuel Smarts Trucker Access › Forums › Diesel News › American Petroleum Institute Sues EPA Over Emissions Regulations – Fuel Smarts This topic has 0 replies, 1 voice, and was last updated 12 months ago by EazyRiDer66. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In