Mechanically injected diesel like my 1985 jetta. That would work. Also, calsium carbide can be a lot of fun to play with!
Until recently, virtually all diesels were totally mechanical-only units....until the green weenies, the EPA and horn-rimmed techogeeks came in and frigged it all up.
Now, just like everything else, they are over-engineered pieces of electronic crap that don’t work as well.
On gas vehicles, I’m just fine with EFI and electronic coil-pack ignition....BUT YOU CAN STOP RIGHT THERE!
Modern cars are so full of electronic overkill, that they are basically unrepairable. ABS, TPMS, PCMs etc etc etc....ALL JUNK!
A modern car’s electronics may work just fine in the laboratory, but out in the real world of -20F to +120F and even higher underhood temps, constant vibration, road salt and heavy rain....Fogetaboutdit!