The Adoption of Fuel-Saving Technologies by Automakers
The Adoption of Fuel-Saving Technologies by Automakers (PDF) Various fuel-saving technologies have been developed over the past few decades, including direct injection, cylinder deactivation, and auto start-stop. The EPA’s 2022 Automotive Trends Report includes data that shows which automakers have adopted which technologies. Automaker Turbo Direct Injection Cylinder Deact.