Motorcycle fuel economy varies greatly with engine displacement and riding style. A streamlined, fully faired Matzu Matsuzawa Honda XL125 achieved 470 mpg ‑ US (0.50 L / 100 km; 560 mpg ‑ imp) in the Craig Vetter Fuel Economy Challenge “on real highways – in real conditions. Due to low engine displacements (100– 200 cc (6.1–12.2 cu in)), and high power-to-mass ratios, motorcycles offer good fuel economy Under conditions of fuel scarcity like 1950s Britain and modern developing nations, motorcycles claim large shares of the vehicle market.
Very high fuel economy equivalents are often derived by electric motorcycles. Electric motorcycles are nearly silent, zero-emission electric motor-driven vehicles. Operating range and top speed are limited by battery technology. Fuel cells and petroleum-electric hybrids are also under development to extend the range and improve performance of the electric drive system.