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
Dynamic Skip Fire Slashes Diesel NOx Emissions
Cummins and Tula combine forces to demonstrate the merits of applying cylinder-deactivation technology to diesel engines.
Giant Japanese Motor Supplier Targets EU and More
Japanese small-motor supplier Nidec is ramping up its production capabilities to supply the burgeoning global electric-vehicle market. The company’s objective is to achieve a 40%-45% share of the global EV motor market by 2030.
Magna Reveals ‘Etelligent’ Electric Options
Canadian automotive supplier Magna shows off its latest electrified wares during a virtual test at the company’s winter test facility in Arjeplog, Sweden.
Last in Line: Mercedes Debuts Final ICE in ’22 C-Class
What may be Mercedes’ last ground-up internal-combustion engines get significant advancements to keep them relevant while the German luxury automaker makes the transition to electric propulsion.
Moving Target: Measuring Propulsion Price Parity
The price of fuel-cell stacks is nearing parity with internal-combustion engines, but other necessary elements of the propulsion system are keeping FCV costs high.
Driveline Suppliers Gearing Up for EV Future
Traditional transmission suppliers are pushing into the electric-vehicle and truck markets with gearboxes designed to achieve maximum efficiency from motors while meeting the needs of EV customers.