An automobile engine uses methyl alcohol (CH3OH) as fuel with 200 percent excess air. Air enters this

Question:

An automobile engine uses methyl alcohol (CH3OH) as fuel with 200 percent excess air. Air enters this engine at 1 atm and 25oC. Liquid fuel at 25oC is mixed with this air before combustion. The exhaust products leave the exhaust system at 1 atm and 77oC. What is the maximum amount of work, in kJ/kg fuel, that can be produced by this engine? Take T0 = 25oC.