New products are emerging that require less energy.
And services, which require less energy than manufacturing, became a far bigger share of the economy.
Because the puffed pellets require less energy to digest, they lead to greater weight gain and more fat.
They can resist large forces more efficiently than ER fluids, since they require less energy to change their properties.
Lithium-ion batteries, used in many electronic devices including mobile phones, can catch fire at a certain point even in smaller devices that require less energy.
As a crop, they require less energy and water to grow than wheat, taking just three months from planting to harvest.
They are not only cheaper to make than paper ones, but also require less energy to recycle and less landfill space.
Since mass is linked to energy by Albert Einstein's famous equation (E=mc2), a lighter Higgs would require less energy to produce.
At rest, organs such as the liver, brain, heart, and kidney have the highest metabolic activity and, therefore, the highest need for energy, while muscle and bone require less energy, and body fat even less.
Around the world, many people are switching from traditional incandescent bulbs to compact fluorescent (CFL) bulbs, which require less energy to produce a given amount of light, and therefore save money and reduce carbon emissions.
Why not go back to living in smaller homes that require less energy to heat and cool, purchasing fewer and smaller appliances and going without digital clocks or timers and touch screens that soak up electricity even when the appliance is not in use?
