4 ms·
They could try to cheat! That's actually what Volvo did in the Dieselgate. The EU regulation mandated the impossible duo of lower NOx emission and higher fuel e
by chabska 1y ago
They could try to cheat! That's actually what Volvo did in the Dieselgate. The EU regulation mandated the impossible duo of lower NOx emission and higher fuel efficiency. Diesel engines get higher efficiency by increasing compression ratio, which also increases NOx production.