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<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">Regarding the recent stories about diesel engines putting out much more
PM than was thought (not sure who was doing the thinking) I see there is more to it than VW software cheating:</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);"><br>
</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">This throws even more confusion on the subject, gasoline engines produce
more PM than diesel engines, presumably running on standard fuels. </span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);"><br>
</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">If they were to run on wood gas, or gasified charcoal would both of them
do better?</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);"><br>
</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">Maybe making char in a stove for use as an engine fuel as previously discussed
is a way to surprise everyone. </span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);"><br>
</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">From</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">https://cleantechnica.com/2017/05/29/gas-cars-much-dirtier-expected/</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);"><br>
</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">"The laboratory studied the emissions of 7 gas engine vehicles equipped
with direct-fuel-injection systems. The research found that they emit from </span><em style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">10 to
100 times more particulates</em><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);"> than modern diesel engines. In fact, they
have higher particulate emissions than older diesel without particulate filters."</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);"><br>
</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">So there is no 'clean fuel' after all. What about cars running on biogas
and LPG and CNG? </span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);"><br>
</span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">Regards </span></div>
<div><span style="color: rgb(54, 54, 54); font-family: SecondaryFont, HelveticaNeue-Light, Roboto, sans-serif; font-size: 21px; line-height: 26px; background-color: rgb(250, 250, 250);">Crispin </span></div>
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