Pushing the ICE forward, gradually
- Magazine Feature Article
- 16AUTP06_02
- English
Free lunches don't exist in the quest to improve vehicle efficiency and reduce emissions. No one knows this better than powertrain engineers whose work is a constant series of tradeoffs that must be tackled if the auto industry is serious about reducing CO2.
Do you want enhanced drive-cycle fuel economy? It could cost you real-world performance. You say your latest dyno tests indicate efficiency improvements through charge dilution? Well, what about the impact to specific power and torque and full-load pumping losses? These are the arcane kinds of tradeoffs the industry grapples with as it seeks effective, low-cost production engine solutions, noted Dr. Terry Alger, who directs spark-ignition R&D at the