This company is making a system that converts EVs into hybrids

Electric vehicles have seen a lot of success in recent years, but there are still some concerns—from range anxiety to insufficient charging infrastructure—that limit their overall adoption. Hybrids don’t have those same worries, and hybrid sales have been gaining momentum as the growth of EV sales has slowed. That’s caused some carmakers to pull back on EV offerings and prioritize hybrids instead. 

But now a company called Horse Powertrain is offering an alternative to carmakers who...