"The STIHL BG 66 L features a low-emission engine while its specially designed muffler in the blower tube and baffles make the BG 66 L quiet ¿ ideal for use in neighborhoods or other noise-sensitive areas. Starting is easier and smoother than ever with the simplified starting system that incorporates a specialized stop switch that automatically returns to the start position, as well as a semi-automatic choke lever that helps prevent accidental flooding. All while providing the power you need to tackle your next outdoor task." -STIHL