Now it turns out that GM has effectively acknowledged that Toyota was actually right back in 2007 when they said a power-split hybrid like they use would be more efficient than the series hybrid originally intended for the Volt.
The New Volt: More Hybrid & More Electric
In a somewhat ironic twist on the original and short-lived advertising tagline for the Chevrolet Volt, when the all-new second-generation Volt goes on sale this summer, it will be both more hybrid …