Original sentence: Yet the benefits outweigh the costs, for that 150 hp (110 kW), the engine is delivering 1,000 hp (750 kW) when it would otherwise deliver 750 hp (560 kW), a net gain of 100 hp
Edited sentence: Yet the benefits outweigh the costs, for that 150 hp (110 kW), the engine is delivering 1,000 hp (750 kW) when it would otherwise deliver 750 hp (560 kW), a net gain of 250 hp