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Commercial vehicles are mostly used for business purposes, particularly by companies for their large storage capacities. These vehicles travel huge distances and sometimes for days or even weeks before arriving at their destination. This requires a strong demand for fuel which affects the monthly expenses of the holding company. So, for economic reasons, many utility

Volkswagen is one of the largest German automotive brands in the European and global market. Indeed, this manufacturer is known for the robustness and reliability of these engines, which are characteristics of the of German manufacturing in this sector. However, for the sake of compliance with the standards in force in the automotive industry, most

Despite the mostly recreational purpose of jet skis, manufacturers will often impose limits on the performance.

Combustion engines operate on a fairly simple principle. The energy used to run the engine is obtained by burning gasoline in the presence of air. It is therefore necessary that there is a given air / fuel ratio for the combustions to take place. Too much air or not enough, and the combustion take place