The document provides specifications for 3 rotary engines with different displacements. The 120hp engine uses 3.92 liters of fuel per hour for every 1000 rpm and has a fuel efficiency of 30 kmpl and 36 mpg. The 200hp engine uses 6 liters of fuel per hour for every 1000 rpm and has a fuel efficiency of 35 kmpl and 85 mpg. The 300hp engine uses 10.25 liters of fuel per hour for every 1000 rpm and has a fuel efficiency of 25 kmpl and 34 mpg. The document was authored by a 45-year automotive expert.