Quote:
Originally Posted by Hersbird
The biggest thing that stands out on that diesel rundown is the admission it increases NOx. VW got the same results with tuning, better power, better efficiency, but at the expense of NOx on their diesel engines. So it looks to me like the HHO is just fooling the tune.
I still put out I would love to see what manufactures could do if they didn't have rules.
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I work for a truck manufacturer. We would love to increase fuel economy 5% with HHO if it worked AND we could meet required emission requirements. However it doesn't work. As you mentioned to get improved fuel economy you have to use tuning that fails emissions. It is a deadend for ligitimate companies.