Related Clues:

• A quiet couple in Bert and Ernie
• By means of, for each
• For each exercise, works heartily
• A form of exercise meeting with resistance
• A head's right behind national curriculum subject
• A bit repeated by property expert
• Excellent drivers often break it
• The P in KPM
• MPG component
• ___ curiam decision
• Part of RPM
• So says
• MPH middle
• The 'p' in m.p.g
• Part of mph