How can Using Technology to Increase Efficiency Conserve Energy? [No Brainer]

-Energy Saving Light Bulbs --> More Efficient and can last Longer [Bans also be put on Inefficient Products as well - EU] -Hybrid Cars --> Combines Electric Power & Fossil Fuel = Efficiency -Regenerative Braking --> Store Energy lost as you Break - Can be Reused [and therefore saves Petrol from being used up] -Manufactures making more Efficient Engines because of Legislation and Fuel Costs. -Power Stations using Gas and Combined Cycle Gas Turbine Tech -> Energy lost as Heat is now used to make Steam [Which turns Turbines..] This makes 50% more Electricity from Same Amount of Fuel