I just had a look at the legislation. It wisely includes that the noise has to sound similar to the engine noise produced by a similarly sized combustion vehicl

I just had a look at the legislation. It wisely includes that the noise has to sound similar to the engine noise produced by a similarly sized combustion vehicle. I was wondering if we would start to see the equivalent of ringtones for cars (though with some people's ice setups that already sort of exists).