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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

Upgraded Engine Oil Standard Arrives

Mitigating engine-damaging low-speed pre-ignition and improving engine lubrication are the objectives of a new oil specification going into effect this year.

Propulsion

Dynamic Cylinder Deactivation Going Mainstream

Dynamic Fuel Management, the fuel-saving system that regulates cylinder shutdown in 17 different firing patterns in GM’s V-8 engines, is poised to double its take-rate as the automaker incorporates it into many of its fullsize SUV and truck engines. The company that developed the technology plans to expand its use in 3-, 4- and 6-cyl. engines, as well as diesels.

Propulsion

What the Next Round of BEV Buyers Want

Automakers need to do a better job crafting their marketing to potential BEV buyers. Escalent says its survey data can help.

Propulsion Electrification

Cold Day in Scandinavia, Driving Magna’s Hot Electric Powertrain Future

Magna’s Winter Test in frozen northern Sweden provides an opportunity to sample all of the company’s leading-edge drivetrain technologies, from Jeep Wrangler two-speed transfer cases to highly sophisticated electrified axle systems in the company’s e2 and e4 prototypes.

Propulsion Electrification

Toyota Adds Sedans to AWD Portfolio

Toyota now offers myriad all-wheel-drive systems, including everything from traditional mechanical drivelines to electric axles. Here’s a primer.

Propulsion Electrification

Stop Hating on the Hummer Electric

GM isn’t the first automaker to see the value in tagging an EV with a high-performance moniker. We doubt it’ll be the last.

Propulsion Electrification
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