The internal combustion engine operates in unsteady modes for a significant part of the time when the vehicles is moving. This is unavoidable for vehicles with traditional power plants for the following reasons: 1) the need to regulate the power on the driving wheels. 2) the effective performance and environmental qualities of the engine in unsteady modes are often worse in relation t... https://www.eleanorscholz.com/product-category/womens-footwear/