600+lb/ft at 1500rpm is something that no gas engine will dish out ever.
I can name at least one, Bugatti Chiron.
1000rpm: 680Nm/500lb-ft
1500rpm: 940Nm/693lb-ft
2000rpm: 1580Nm/1165lb-f
There are many more. "No gas engine" is a very broad statement. I assume you were being hyperbolic.