As a result, more efficient alternatives may not be noticed and utilized.

Challenges can serve as a more efficient alternative to traditional grant making and procurement.

Calls for neighborhood "drug hospices" as a less expensive and more efficient alternative to treatment in hospitals.

I just think they're the wrong choice for journeys in cities where there are several more efficient alternatives.

The technique is being viewed by many scientists as a more efficient alternative to conventional methods of agriculture.

But there were no efficient alternatives, and everyone, including Hawks, really knew it.

This represents an efficient national alternative to the major networks for advertisers.

When it is no longer economic to drive cars and trucks, we will need to use the most efficient alternative to road transport.

But, she says, she just needs some guidance on the most efficient alternatives.

Those cities without efficient mass-transit alternatives will lose urban space users.