Several cities and countries have boldly announced plans to ban piston engines in favor of electric cars. (wardsauto.com)
The claim is that the standard piston engine, with straight up - and - down path, causes lots of friction with the walls while the piston travels through the chamber. (mechanics.stackexchange.com)
Like V configuration piston engines, boxer or flat configuration engines can be made approximately half the length of a straight configuration engines. (mechanics.stackexchange.com)