Peformance. ECHO Trimmers are high-performance tools that feature easy-to-use custom ergonomic controls, lightweight design, and super powerful Power Boost Vortex and Power Boost Tornado engine technologies. All ECHO equipment is rated to the highest engine durability standard available and features 2-stroke engines that meet emission compliance, provide low fuel consumption, and are low maintenance. Call 800.432.ECHO for the nearest dealer or visit www.echo-usa.com for more information.