I think Bicycle is the most energy efficient transport.
NADH and FADH2 donate electrons to different complexes in the electron transport chain because they have different energy levels and transfer electrons at different points in the chain, allowing for efficient energy production through the generation of a proton gradient.
active transport uses energy
active transport uses energy
Facilated transport does not need to use energy but active transport does.
Active transport requires energy; passive transport does not.
yrt
active transport requires input of energy as it takes place aginst a gradient.
simple and facilitated diffusion don't require energy and are forms of passive transport. Active transport requires energy
Walking or going on a bicycle, if it is reasonably close. Otherwise, a school bus or public transportation is more energy efficient, because a bus takes many people at once.
Energy efficient devices need not look much different to those that aren't. It really depends what device you are talking about, though.
Active transport needs energy, passive transport does not need energy.
At home, you can save energy by using energy-efficient appliances, turning off lights when not in use, insulating your home, and adjusting your thermostat. In terms of transportation, you can save energy by carpooling, using public transportation, biking, walking, or driving a fuel-efficient vehicle.