Related Clues:

• Crank
• Give the gas
• Increase, with 'up'
• Energize
• Race
• Power (up)
• White-collar worker, for short?
• Gun an engine
• --- up (accelerate)
• Accelerate sharply
• Juice
• Make go 'vroom'
• Minister: Abbr.
• Sun. speaker
• Race the engine