摘要: |
Although the date for the end of fossil-fuelled truck production has been announced by the European manufacturers as 2040, there is no sign whatsoever that development of heavy-duty internal combustion engines has been halted by them. Quite the reverse, in fact.Engines that will run cleaner and more efficiently and perhaps use different fuels are obviously still on the way, because the OEMs are asking the lubricant industry to produce new oils to cope with these demands.Motor industry body European Automobile Manufacturers' Association (ACEA) sets universal standards, known as 'sequences', that encompass the differing demands of the various car and truck engine manufacturers' approvals. As engine technology has evolved to include systems such as exhaust gas recircuiation and selective catalytic reduction as well as higher internal temperatures and pressures, the sequences have changed. |