The Climate, Environment and Energy Thread

[LP]

Then there's the Ineos Grenadier hydrogen fuel cell vehicle that's currently undergoing testing (and Landrover have been testing fuel cell Defenders for some time).  I think that will be the powerplant of choice for folk who need decent range.

I've read about hydrogen retrofits on combustion type engines but at this stage that won't be a long term solution, it's a just bridging a gap, long term it's surely all about fuel cells which convert the energy far more efficiently.

However, some heavy weights have thrown their hat in the ring recently on the hydrogen combustion path, Mercedes included so I while I'm doubtful I would not bet against them. One solution seems to be a blending hydrogen with a small percentage of LPG, not sure why but apparently this makes the engineering solution much easier, it's probably about how the existing engine designs work. I suppose if you combine something like that technology with a genuine carbon offset process, like using captured CO2 to make the materials in the body as I described above, then you can have a net negative even without zero emissions.

Some problems they have at the moment is how long fuel cells last, how expensive are they to make, and the rarity of some materials.