'technical viability' is a correct and usable phrase in written English.
It is usually used to indicate whether a plan or project is able to be successfully implemented using the available technology. For example, "The project was determined to be feasible, but its technical viability was uncertain."
Three studies have now demonstrated the technical viability of a 100% renewable electricity grid.
WiMax promises faster wireless connection speeds over longer ranges than Wi-Fi, currently used in laptops, but its commercial and technical viability is still unproven.
Mr. Abbott said that Quest would reduce the emissions from the Scotford plant by 35 percent and demonstrate the technical viability of carbon capture and storage techniques.
The laboratory results demonstrate the technical viability of FRCM for shear strengthening of RC beams.
The work demonstrates the technical viability of solar pond technology in the Middle East.
These simulations were used to evaluate the technical viability of its application.
On the transportation front, Bosch Software Innovations recently concluded the first phase of its investigation into the technical and commercial viability of electric vehicles in Singapore.
It wants more time to assess the economic viability, technical details and environmental impact of the multibillion-dollar projects.
EDF is looking at the "technical feasibility and viability" of South Stream, Bruno Lescoeur, the head of gas for southern Europe, said in Brussels last month.
"In the course of the past four months we have worked with a sense of common purpose to move it forward … I am pleased we have agreed the next stage, consistent with our law and technical and commercial viability".
At the time of the conversion, Toyota and other automakers were not making plug-in hybrid cars and expressed doubt about the technical and market viability of the technology.
