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Bob Gritzinger

Industry Analyst -- Propulsion and Technology

Bob covers Propulsion & Technology: Engines, transmissions and drivetrains and related electrified systems such as electric vehicles, hybrids and fuel-cell vehicles.


Latest From Bob Gritzinger

AutoTech Check: ’21 Ford Bronco and ’22 Maverick

Ford’s Maverick compact pickup and Bronco off-roader show off the automaker’s engineering capabilities across two widely different light-vehicle segments.

Drivetrains Electrified Vehicles

Mercedes-Benz BEV Concept Measures the Miles (Per kWh)

In a world full of BEVs offering 3-4 miles per kWh, the Mercedes-Benz Vision EQXX registers a stunning 6.2 miles per kWh, giving the vehicle more than 600 miles of range from a sub-100-kWh battery.

Electrified Vehicles Motors

Q&A: Exro CEO Sue Ozdemir Discusses Unique Motor-Control Technology

Improving the efficiency of electric motors is the core technology under development by Exro Technologies. The company’s Coil Driver employs a patented system of motor management that can eliminate the need for multiple motors to power everything from electric bicycles to medium-duty trucks.  

Motors Electrified Vehicles

Automakers Banking on Advanced Combustion Concepts for ICE Efficiency

As the automotive industry hurtles toward an electrified future, the internal-combustion engine remains a significant part of the mix. Our industry survey indicates a handful of technologies are expected to improve ICE efficiency in the coming decade, with advanced combustion concepts leading the way.

Engines Propulsion

Hydrogen Developments Speed Toward Still-Distant Fuel-Cell Future

Hydrogen Day (Oct. 8 = 1.008, the atomic weight of hydrogen) always produces news on the fuel-cell vehicle front. But great expectations for a hydrogen-powered future are being tempered by reality.

Electrification Commercial Vehicles

Induction Motors Gaining Traction at GM, BMW

The move to eliminate expensive, rare-earth magnets from automotive traction motors is driving a wave of innovation in induction-motor technology.

Drivetrains Propulsion
See All


David Wallace

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