New Delhi, March 9 -- Auto component makers are pitching powertrain-agnostic portfolios as the best way to address uncertainty about which technologies will dominate roads amid the shift away from combustion engines.

Strategies put in place by companies like Greaves Cotton, Tenneco Clean Air and Belrise Industries suggest that suppliers need to either make parts that can be used across multiple powertrains or build capabilities simultaneously in electric, combustion, hybrid and CNG technologies.

The approach helps them stay relevant regardless of which technology leaps ahead, according to industry executives and experts. Their comments come as global carmakers such as Ford, Volkswagen and Stellantis slow their EV-only plans, while in In...