Technician A says that variable valve timing is designed to increase the high-performance capability of the engine while maintaining good driveability and emissions. Technician B says that variable...

Technician A says that variable valve timing is designed to increase the high-performance capability of the engine while maintaining good driveability and emissions. Technician B says that variable valve timing can reduce the fuel octane requirements needed to control detonation. Who is correct?

A. Technician A only

B. Technician B only

C. Both technicians

D. Neither technician