Two technicians are describing engine operation and requirements at high altitude. Technician A says that when traveling at high altitudes, the engine produces more power. Technician B says that at high altitudes the octane rating of fuel doesn't need to be as high because the engine can't take in as much air. Who is correct?
A. Technician B
B. Neither Technician A nor B
C. Both Technicians A and B
D. Technician A