Because they are bigger and heavier like trucks, SUVs are treated more leniently by government rules on fuel efficiency and emissions.

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They will also be bigger and heavier than some of the tiny handsets which are currently popular, and their batteries will run down more quickly.

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During that time the clubs have got bigger and heavier -- as have the pay checks and the relentless media attention which comes with life on the Tour.

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Although they are more expensive, bigger, heavier and in theory less efficient than mechanical drives, they use much less fuel.

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And because it was easier and profitable, it naturally became the main focus of Japanese (as well as global competitor) auto companies, with each new model bigger, heavier, and more expensive.

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Although the CTS was priced similar to the entry level luxury cars offered by other car manufacturers, it was heavier and bigger in size which prompted customers to buy the lighter and more sporty German imports.

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Product developers and marketers were encouraged to come up with heavier cereals--bigger boxes, smaller flakes or more raisins, for instance--any tricks that would make Kellogg cereals denser and keep the brand's total weight up.

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And just as teenagers are heavier users of their phones than adults, young online gamers rack up bigger bills than their classmates.

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However, partly because of the flip mechanism and the hidden components needed to make it work, the XPS 12 is heavier and thicker than the largest MacBook Air, which starts at the same price and has a bigger screen, at 13.3 inches.

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