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Gary Witzenburg

Correspondent

Gary is a long-time contributor who writes about vehicles, engines and technology.

Latest From Gary Witzenburg

Magna CEO Kotagiri: Ready for Whatever Market Demands

Canadian-based Tier 1 supplier Magna is working hard on electrically driven componentry designed to replace today’s conventional all-wheel-drive and 4-wheel-drive hardware. Fully 70%of its engineering projects these days are related to the battery-electric-vehicle market. “Anyone who is in powertrain has to be thinking about transitioning toward eDrives,” says CEO Swamy Kotagiri.

Propulsion Electrification

‘Sense of Touch’ Technology Can Help Prevent Fatalities

The Tactile Mobility system will detect even very slight initial runover of virtually anything, including a soft human body part, and provide a warning and/or a full vehicle stop to prevent further runover, which could be life-saving.

Mobility

Volvo’s Natural-Born Racing Engine

Boasting an eye-popping 184 hp/L, Volvo’s turbocharged and supercharged 4-cyl. Polestar started life as a racing engine before it found its way into family haulers.

Engines

Mazda’s Innovative 4-Cyl. Engine Pulls Like Big V-6

Mazda’s Skyactiv-G 2.5T is unique in that its enhanced scavenging technology and cooled EGR make it a new type of downsized turbocharged engine that performs like a torquey V-6.

Engines

Highly Awarded BMW I-6 Remains Close to Perfection

“The main reason why we have kept the inline 6-cyl. is there is no other way to have the smoothness or the responsiveness, the turbine-like feeling when revving the engine,” says Markus Rülicke, BMW’s head of construction design for in-line petrol engines.

Engines

Gen II Chevy Volt Propulsion System Shockingly Good

“The key was to be better in every measurable way,” says GM Global Vehicle Chief Engineer Barry Walkup.

Engines
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