I think it's just not worth it. A Model Y takes about 18Kw to hold 70mph, a 20Kw diesel generator on a trailer is about 2000 lbs dry no fuel and $20,000. I gue

I think it's just not worth it. A Model Y takes about 18Kw to hold 70mph, a 20Kw diesel generator on a trailer is about 2000 lbs dry no fuel and $20,000. I guess you could go with say 10Kw generator and run a deficit and double your range while having to both charge and fill up fuel then your looking at around 1000 lbs dry and $10,000.