Supercharging DE with Compressed Air Energy Storage (CAES)

· Potential reduction of fuel consumption and GHG’s by an amount of 20% - 25%

· Increase the efficiency of the engine

· Requires architecture modification on the DE

· Complex design for control circuit and air energy management

· High cost for compressed air energy storage

[49] - [55]

Continuous Variable Transmission (CVT)

· Potential reduction of fuel consumption and GHG’s by an amount of 25%

· Provides unlimited gear ratio

· High cost

· Cannot be applied on DPG over 200 kW

· Complex design and must be replaced in case of failure

[46] [47] [48]