Forget the $100,000 spaceships. What the world needs most now is affordable electric cars. And after plenty of setbacks on the electric front, General Motors thinks it's found the secret sauce in the now-on-sale 2024 Chevrolet Equinox EV, as executives and engineers put it.  The crossover boasts 319 miles of range in front-wheel-drive 2LT form, which starts at $43,295 (excluding destination) before the $7,500 EV tax credit gets factored in. Later this year, the base Equinox EV LT will debut at j...