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From all that I’ve seen electricity lines (also HVDC) have higher transmission losses by a magnitude. With hydrogen and modern material science you’ll probably have the choice between higher losses and embrittlement, but that’s just another economical equation: Do you want to eat the higher losses, or replace the pipeline in a couple of decades or a century.
At least environment-wise hydrogen leaks aren’t an issue: Some atoms diffusing through the wall don’t constitute a fire hazard and the end result is water. Methane, OTOH, is a nasty greenhouse gas.
Speaking of nature: Ammonia is nasty, but nature produces it itself (just not at those concentrations) and can deal with it. The site directly surrounding a leak would be dead, a bit further downstream (literally) there’s going to be over-fertilisation. Not nice but definitely better than an oil leak and fixing it quite literally involves waiting until grass has grown over it as rain dilutes it and microorganisms migrate back in to eat it. Similar things apply to ethanol which I’d say would be a better choice for general use such as hybrid cars, camping stoves and whatnot because it’s not going to burn your lungs away. Can’t rely on people being conscious enough to get up and flee the ammonia stench when they’re in a car accident.
Attempted murder, which this was, regularly (as in in almost all cases) means you get a rebate on that life sentence in Germany. Depending on circumstances it’s going to be 3-15 years. In any case also a life-long sentence means parole after minimum 15, median 17, average, 18.9 years, only 13% >25 years.
People dying in prison is quite rare because, overall, unrepentant nasty pieces of work are rare… and Ali Bashar happens to be one of those cases: Murderer-rapist, court declared notable gravity of his guilt, meaning the minimum to parole is 20, also, even if he gets out on parole (most likely not after 20 years) courts reserved the right to put him in preventive detention, meaning he’d be out of the prison regime (bedtime and whatnot) but still in lockup. Essentially an asylum for the not criminally insane.