Switchgrass has been widely tested as a substitute for coal in power generation.

The most widely tested alternative to scrubbers costs little more than a few tons of limestone.

"The technology has not yet been widely tested on the scale utilities are accustomed to."

Although reputedly resistant to Dutch elm disease, it had not been (by 1995) widely tested.

Although reported (in patent) to be resistant to Dutch elm disease, it has not been widely tested.

The Ferguson rifle was one of the first breech loading rifles to be widely tested by the British military.

They have not been widely tested on civilians, she said.

'Hamburg' had not (by 1995) been widely tested for resistance to Dutch elm disease.

Because it was never intended for use in abortions, it has not been widely tested for safety and effectiveness.

Willis' has not been widely tested for resistance to Dutch elm disease.