Original sentence: Between 1909 and 1912, Evinrude made thousands of his outboards and the three horse units were sold around the world.Depending on rpm and load at cruising speeds, figure on about a 30 percent mileage improvement.For example, Honda Marine has been marketing small four-stroke outboards since the early 70s.In the 1990s, US and European exhaust emissions regulations led to the proliferation of four-stroke outboards.Mercury Marine, Mercury Racing, Tohatsu Outboards, Nissan Marine, Honda Marine, Suzuki Marine, and Yamaha Marine, China Oshen-Hyfong marine have all developed new  our-stroke engines.Mercury Marine, Mercury Racing, Tohatsu, Yamaha Marine, Nissan and Evinrude each developed computer-controlled direct-injected two-stroke engines.Other brands have been produced for over 100 years, but again in fewer numbers.Quite often sacrificial anodes are found which have been painted over
Edited sentence: Between 1909 and 1912 Evinrude made thousands of his outboards and the three horse units were sold around the world.Depending on rpm and load at cruising speeds figure on about a 30 percent mileage improvement.For example Honda Marine has been marketing small four-stroke outboards since the early 70s.In the 1990s US and European exhaust emissions regulations led to the proliferation of four-stroke outboards.It is a surprising fact that quite often sacrificial anodes are found which have been painted over.Mercury Marine, Mercury Racing, Tohatsu Outboards, Nissan Marine, Honda Marine, Suzuki Marine, and Yamaha Marine, China Oshen-Hyfong marine have all developed new  four-stroke engines.Mercury Marine, Mercury Racing, Tohatsu, Yamaha Marine, Nissan and Evinrude each developed computer-controlled Direct-Injected two-stroke engines.Other brands have been produced for over a 100 years, but again in fewer numbers