This view is not derived from a sense of optimism, but from a realisation that viable alternatives need to be developed to reduce car usage and pollution.
In fact, Thompson said new technology would have to be developed for the solar car to become a viable consumer alternative.
It is hard to see any practical and viable alternative to the state at present.
The number of colonies present was a measure of the number of viable cells in the original cultures.
a commercially viable business
Dashed segments of the line indicate where viable seeds do not germinate at low temperatures.
Unfortunately the fees are high and with no viable alternative and unable to find work, Charlie along with Phil hit on an idea.
If significant placental abruption occurs, a viable fetus should be delivered immediately.
It insists the commissioners' alternative scheme is not viable , as it will not attract sufficient grants.
Others would argue that a woman should have the right to terminate her pregnancy at any time in pregnancy, up to the point where the fetus is viable and fully formed.