The Future of Fuel Efficiency

In this three part series, Ars Technica looks at the latest innovations in fuel efficiency.. and what the future holds.

Part One: More bang, less buck: How car engine tech does more with less
by Jonathan M. Gitlin, October 1, 2012

This article covers combustion engine design and turbocharging.

Part Two: The road ahead: How we’ll get to 54.5 mpg by 2025
by Jonathan M. Gitlin and Kyle Niemeyer, October 8, 2012

Part Two covers new CAFE standards, start-stop technology, diesel, and direct fuel injection.

Part Three: My car is smarter than me—and I get better gas mileage for it
by Jonathan M. Gitlin, October 15, 2012

The final installment covers hybrids, lightweighting, and navigation systems.