This will help to shorten bus journey time and make them a more viable competitor to cars.

In a separate interview he said, "I think our main challenge will be convincing people we're a viable competitor."

Luckily we've got viable competitors that are getting better all the time.

So far cellular has been too expensive to become a viable competitor to local phone service.

"There are only two viable competitors left, and that's pretty risky, because what happens if one drops out?"

Could we be about to see a viable competitor to the iPad?

Oh and maybe we'd have multiple, viable competitors in the OS space instead of just two.

While they're still a viable competitor to Intel, they need to come up with something to crow about.

They are now viable competitors with national honor - and may matter even more.

"Anything that makes more viable competitors is better for us," he said.