Because you need a fuckton of energy to produce an EMP capable of damaging anything. Unless you have access to military grade warheads or a low yield nuclear device, you can forget about it.

I don’t know of any diesel electric cars, but most diesel locomotives use their diesel engines to generate electricity to run the drivetrain.

Don’t worry, the US govt will proudly sell the opportunity for palantir or some other bullshit AI surveillance company to embed spyware into your hardware to ensure you’re not a terrorist*

*someone critical of the trump regime