This may cause a problem where it's cheaper to buy electricity than to burn fuel, therefore many engines are used in CHP (Combined Heat and Power) configurations that can be small enough to be integrated into portable container configurations.
This may cause a problem. It's cheaper to buy electricity. This is to burn fuel. Many engines are used in CHP (Combined Heat) configurations. Many engines are used in CHP (Power) configurations. These configurations can be small enough to be integrated into portable container configurations.