Mechanical Project Ideas - Energy Saving Ideas

• Photo Glass with Eye lid sensing. 
• Multi Engine Automobiles - for fuel efficiency - at lesser loads only use one engine
• Lizard Robot - Robot that can climb the walls.
• Walking shelter covered with solar panels for power generation - where ever the walking shelters are provided, they are to be covered with solar panels instead of aluminum or GI sheets
•  Tap the energy from the running water while filling a bucket to charge a battery- The device can be easily fit to the tap and can store energy received from the running water.
• Energy absorbing slate - Make a slate that can absorb heat energy from the clothes when ironing. The clothes are to ironed on the slate and the slate absorbs the excess heat from the clothes and can convert into useful form.