Back of the envelope math:
If PHEV goes 22 miles on 12kWh, and an additional 288 miles on gas as claimed:
22 miles/ 12kWh = 1.8 miles per kWh
288 miles / 1.8 miles per kWh = 160kWh
11.3 gallon tank. Gasoline has 33.7kWh of energy
11.3g * 33.7 = 380kWh of potential energy
160kWh delivered /...