About engines in general

4.1.5 Alternative propulsion systems

In general, taking into account the current environmental situation in the world, all automakers are investing huge financial resources in obtaining traction on the driving wheels, not by burning something in the cylinders of the internal combustion engine, but through alternative powertrains. So, for example, more and more often electric cars started appearing on the roads laid across all the continents. 

Electric motor powered by rechargeable batteries plays the role of heart in these cars. Everything would be fine, because it seems that there is no harmful exhaust, but rechargeable batteries are ineffective, capricious (capacity depends on the ambient temperature), explosive and very expensive. Therefore, most of the electric vehicles in operation at the moment are not sold, but leased on a long-term basis.