In the US, there's a 68% chance you're charging that "green" plug-in electric/hybrid with fire and smoke. Dumbasses. Source.
Randy pointed out to me that 100% of traditional vehicles are petroleum-powered.
Of course, some traditional vehicles with small, efficient engines use less fuel than certain hybrids do. As always, gas-powered vehicles can be used frugally by combining trips, choosing closer destinations, car-pooling and walking or bicycling for trips when feasible. Cars themselves aren't the enemy. Sprawl, gluttony and excess are.