challenge: What is the power output of the Lotus APX's 3.0 litre supercharged V6 engine?
  
  A. 350 hp (261 kW) at 7000 rpm
  B. 250 hp (186 kW) at 5500 rpm
  C. 400 hp (298 kW) at 8000 rpm
  D. 300 hp (224 kW) at 6250 rpm
  Answer: 