Dr. Thomas Briggs is a staff engineer at Southwest Research Institute (SwRI) where he has spent over a decade leading R&D programs for advanced spark- and compression-ignited engines. At SwRI he was responsible for programs …
advanced combustion
Fuel Economy Continues to Improve
Fuel economy has substantially improved over the past two decades. The introduction of advanced combustion strategies and hybrids helps to continue the positive trend. In 1975, the sedan/wagon class had the highest average fuel economy at 13.5 miles per gallon …