1. a driver who uses special techniques to maximize fuel efficiency and achieve unusually high gas mileage
Usage: informal; often used in automotive and environmental contexts

Examples

• The hypermiler coasted downhill to save fuel whenever possible.
• Some hypermilers report getting 50 miles per gallon in vehicles rated for 30 mpg.
• Hypermilers often use techniques like drafting behind trucks, which can be dangerous.
• She became a hypermiler after learning about ways to reduce her carbon footprint.
• The hypermiler community shares tips online about maximizing vehicle efficiency.
• Not all hypermiling practices are safe or recommended by manufacturers.