Jack; About 1/2 the folks live in cities and a large % of them live in cities where air quality degrades their lungs and shortens lives.
A growing number of cities are imposing pollution controls .
While that's a niche, it's a large and growing one . If we can sell heavy vehicle engines to many of those cities and the businesses that have to operate in them...we'll do just fine.
Presumably, as mfg scale increases, our cost per engine will drop and our affordability will rise to the point where environmentally conscious operators will find us appealing too.
Also, with an unstable mid-east along with many other oil producing nations, and fracking soon to face the costs of wastewater pollution and aquifer contamination...It's very possible that the PPB of oil will rise significantly in the near future. Even without fracking, there's plenty of NG.
So, maybe things at WPRT aren't quite as dire as you paint them.
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