Murriel wrote:
Years ago I was told not to use automotive oil in garden tractors and
lawn mowers but rather oil especially formulated for those devices,
such as brands bearing the names "Briggs and Stratton," "Cub Cadet,"
etc. Now I see that the gasoline at the staion where I deal has 10%
ethanol. Is this acceptable for lawn mowers and garden tractors?

You were misled about the oil, and the E10 fuel will not harm your
lawnmower.

s