You can also replace traditional tubes with slimmer, more efficient versions.

Very well, why shouldn't nature produce a more efficient version of the method by which we clumsily contrive to overcome our own weakness?

A less powerful but more fuel efficient version, the 2.7 litre M97.20, powered the base model.

This function will be replaced with a more efficient version when that version is ready.

Bangkok seemed to me a more soulless and efficient version of New York.

Heapsort is a much more efficient version of selection sort.

People with a less efficient version of this gene are told to eat more liver, broccoli and other foods rich in the vitamin.

The Crawford Corporation markets a cheaper and more efficient version.

In 1974, a second, more efficient version of the Supervisor software became operational.

Think of it like this, most cars on the road could be exchanged for more efficient less polluting versions.