Nah, don’t believe it has the future. Even gas turbines are too unreliable due to temperature and mechanic stress.
Fortunately, diesel-powered fuel cells are already on the horizon:
<a href="http:&#x2F;&#x2F;spectrum.ieee.org&#x2F;energywise&#x2F;energy&#x2F;fossil-fuels&#x2F;dieselpowered-fuel-cell-produces-green-electricity" rel="nofollow">http:&#x2F;&#x2F;spectrum.ieee.org&#x2F;energywise&#x2F;energy&#x2F;fossil-fuels&#x2F;dies...</a><p>As you see, they promise efficiency much higher than your 30%.