Hyundai Ends Development of Internal Combustion Engines

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Originally Posted by Phideaux

* and if carbon is used to produce hydrogen - uh, duh?

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Why doesn't your duh? apply to EVs? In 2020 Australia produced 378.7 PJ of overall renewable energy (including renewable electricity) in 2018, which accounted for 6.2% of Australia's total energy use (6,146 PJ), so the vast amount of energy EVs consume comes from coal or other carbon sources. ( source the infamous WiKi )

This stuff is in its infancy. Maybe we'll go with both. Maybe some new tech will come along. It's far too soon to come down on one side at the exclusion of everything else. However, it's possibly easier to implement hydrogen using currently existing infrastructure. We did it with LPG for decades.

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Originally Posted by Phideaux

And the big winner with BEVs (including [theoretically, eventually] Hydrogen fuel-cell - [I don't fully understand this tech]) is their running costs. Even at today's inflated prices, BEVs break even at 10 years just on maintenance costs - many fewer moving parts.

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10 years is good timing as that’s when a good majority of them will be ready for the shredder. So they barely break even before the tech is both obsoleted and uneconomical to re-cell. As you say “winner”. EV is a short term solution to a long term problem, but hey it makes people feel environmentally conscious while still contributing to the problem.

Break even on cost. Not on impact.
The environmental and human costs of all RAMs etc required far exceeds benefit.

And to move to electric storage - well we simply cannot make enough