Diesel hy­brids ‘could re­turn’

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VW is push­ing ahead with fresh diesel en­gine tech­nol­ogy to meet tighter rules on par­tic­u­late emis­sions – but the com­pany hasn’t given up on the idea of elec­tri­fy­ing its diesel en­gines ei­ther.

VW be­lieves it can re­duce the amount of NOX emis­sions on its diesel en­gines by as much as 40 per cent by 2020, mostly through im­proved ex­haust af­ter-treat­ment. How­ever, Markus Köhne, a se­nior diesel engi­neer, said diesel elec­tri­fi­ca­tion – ditched by al­most all car com­pa­nies in the past few years, on grounds of cost and com­plex­ity – could also re­turn by early in the next decade. “We are look­ing at all pos­si­bil­i­ties,” Köhne said, “in­clud­ing what ben­e­fits 48v mild hy­brid tech­nol­ogy could have, es­pe­cially with the idea of run­ning in cold tem­per­a­tures and help­ing to con­trol NOX emis­sions spikes”.

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