Generation 1 Chevy Volt (2011-2015)
Hypothetically, which is more efficient (uses less kWh) between these two routes, all other things being equal...
Driving up an incline, 500 ft in elevation (say sea-level to 500 ft) over a 1 mile road, or
Driving up an incline, 500 ft in elevation (say sea-level to 500 ft) over a 0.5 mile road