Introduction To Roth Automotive Science › Forums › Fuel Economy This forum has 3 topics, 1 reply, and was last updated 5 years, 3 months ago by admin. Viewing 3 topics - 1 through 3 (of 3 total) Topic Voices Posts Last Post Are turbocharged engines really more fuel-efficient? Started by: admin 1 2 5 years, 3 months ago admin AC effect on fuel economy Started by: admin 1 1 5 years, 4 months ago admin Real-World Fuel Economy Started by: admin 1 1 5 years, 7 months ago admin Viewing 3 topics - 1 through 3 (of 3 total) You must be logged in to create new topics. Log In Username: Password: Keep me signed in Log In