That means trees produce less energy from the air.
这意味着树木从空气中产生的能量更少。
Ethanol is corrosive and has less energy per litre than petrol and diesel.
乙醇具有腐蚀性，每升的能源比汽油和柴油少。
In a year, the electric buses use 72.9% less energy than the traditional ones.
一年内，电动公交车比传统公交车少消耗72.9%的能源。
That helps people use less energy to make their homes or offices warm or cool.
这有助于人们使用更少的能源来使他们的家或办公室变暖或变冷。
Since 1914, scientists have known that birds flying in formation—a V-shape—expend less energy.
自1914年以来，科学家们已经知道，以V字形队形飞行的鸟类消耗的能量更少。
Other birds flying in the upwash experience reduced drag, and spend less energy propelling themselves.
其他鸟类在上升流中飞行时受到的阻力减小了，它们在推动自身前进时消耗的能量也减少了。
Studies show that people use approximately one fifth less energy when they are billed for exactly what they use.
研究表明，当人们按实际使用量付款时，他们使用的能源大约减少了五分之一。
With less energy produced in warmer years and more being consumed just to survive, there is even less energy available for growth.
随着气候变暖时产生的能源的减少以及生存消耗的能源的增加，可用于生长的能源就变得更少了。
An electric vehicle uses less energy than a vehicle that runs on gasoline.
电动汽车比汽油汽车耗能更少。
Less energy used, means less money spent!
用的能量越少，花的钱就越少！
拥有较差的精力。
So there's less energy expanded by the system.
系统损失的能量也比较小。
And we have the technology to use dramatically less energy, too.
我们还有使用明显更少能源的技术。
Energy drinks give you less energy if you buy them at a discount.
你打折买来的能量饮料，为你提供的能量会变少。
Farming and processing in New Zealand is much less energy intensive.
新西兰的农业和加工业不是能源密集型产业。
She points out that Chinese people, on average, use less energy than Americans.
她指出，中国人平均使用的能源比美国人要少。
The change means that snow and ice are reflecting less energy to space overall.
这种变化减小了冰雪反射能量的作用。
This is particularly true for electrical goods that are designed to use less energy.
对电子产品来说尤其如此，电子产品一般在设计上会更节能些。
Walking as bipeds might actually use less energy than movement on all fours does.
实际上，两足动物的行走可能比四肢的行走花费更少的力气。
The technology works at any size, allowing for smaller, less energy-consuming TVs.
这技术可以应用在任何尺寸的电视中，这就顾及到了尺寸较小、能源消耗少的电视。
Now his muscles use less energy, so do all his internal organs. New cells grow more slowly.
现在他的肌肉利用更少的能量，内脏器官也是如此。
Whatever the mechanism, the cooler the surface, the less energy there is to "puff up" the sun.
无论这里面的机制如何，表层越冷，太阳的输出能量就越少。
Larger animals tend to use less energy per gram of body mass than smaller ones do, even at rest.
体型大的动物单位体重消耗的热量比体型小的动物更少，甚至在休息时也是如此。
The thin, flexible electrodes use significantly less energy than a wireless link like Bluetooth.
贴在皮肤上的这种有弹性的薄电极可以比像蓝牙这种无线传输更节省很多能源。
In fact, this industry may grow, as companies look for more efficient ways to deliver using less energy.
事实上，这个行业还可能增长，因为企业会寻找效率更高的方式来运输，以便少能源的使用。
Improved efficiency decreases energy waste, which means less energy is needed to complete the same tasks.
提高能源效率会降低能源浪费，这意味着完成同样的任务所需的能源将会减小。
That takes less energy than splitting nitrogen fluoride and there is no global warming risk, Pilgrim says.
这样能使能量消耗比使用三氟化氮时更少，而且没有促进全球变暖的危险，皮尔格林说。
That takes less energy than splitting nitrogen fluoride and there is no global warming risk, Pilgrim says.
这样能使能量消耗比使用三氟化氮时更少，而且没有促进全球变暖的危险，皮尔格林说。
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