Christopher A. Sawyer

Racing Toward Electrification

August 28, 2014 at 2:28 PM

Audi, Porsche and Toyota showed different approaches to vehicle electrification as they squared off at the 24 Hours of Le Mans.

Steeling the Battle

May 01, 2014 at 1:28 PM

Does the Ford announcement that the 2015 F-150’s body will shift from steel to aluminum mark the end of steel’s dominance for automotive applications? Not according to the steel industry, which is developing material tech that is light, strong and comparatively economical.

2014 Toyota Highlander: Improvement Through Engineering

January 29, 2014 at 4:07 PM

The third-generation Highlander builds on the bones of the second to meet the demands of buyers in a fast-growing segment.

FEV: Pursuing & Developing Powertrain Performance

October 03, 2013 at 3:20 PM

Making powertrain technologies work together isn’t enough, says FEV. Today, every system in the vehicle must work together to manage energy use.

Basic Building Blocks for EVs

August 01, 2013 at 2:14 PM

You can purpose build or you can spread your risks when developing a car powered by electricity.

The Future of Powertrains: Everything but the Kitchen Sink

June 26, 2013 at 2:14 PM

The 2016 to 2025 CAFE standards will bringmany significant alterations to automotive powertrains, with even more and greater change to follow.

The Building Blocks of Safety

May 31, 2013 at 8:39 AM

Getting to today’s safety systems took time, effort and integration of formerly discrete systems, but it is only the beginning.

Steel Strikes Back: Again

April 22, 2013 at 12:00 AM

The steel industry is working on new material grades and processes in order to keep its position as the material of choice in the auto industry.

A Field Guide to Hybrid Drive Systems

March 28, 2013 at 12:00 AM

When reduced to its basics, there are four types of hybrid powertrains: (1) micro hybrids; (2) parallel hybrids; (3) power-split, two-mode or series-parallel hybrids; and (4) series hybrids. [The last in this series is more commonly known as an E-REV, or Extended-Range Electric Vehicle, and is best represented by the Chevy Volt/Cadillac ELR.]

Sensors: More, Not Less (Number & Usefulness)

March 01, 2013 at 12:00 AM

The number of sensors on the average vehicle continues to rise, but it’s how you take that information and relay it to the driver that really matters.

2013 VW Jetta Hybrid's Clever Powertrain Engineering

February 01, 2013 at 12:00 AM

Volkswagen’s engineers add unconventional spice to the hybrid recipe.

BMW's Teutonic Technology Overload

September 19, 2012 at 12:00 AM

BMW introduces the latest versions of the M5, M6 and 7 Series, and launches the Gran Coupe.