At a time when EV manufacturers are eager for efficiency gains of 2-3% in their powertrains, any new technology capable of providing 10% or more would transform the state of competition among vehicle OEMs (writes Rory Jackson).

With an eye towards enabling that, US company ePropelled has developed and patented a new type of electric motor architecture, which it has manufactured and installed in a Tata Tiago hatchback and which it displayed at the Cenex-LCV show in the UK in September.

The company calls its new motor technology eDTS, which stands for electric dynamic torque switching. Testing thus far confirms that the power efficiency of e-motors adopting this architecture is at least 15% higher than with conventional designs.

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