Last year, Germany canceled plans for a Berlin-Hamburg line because it was deemed economically infeasible and environmentally harmful.

The owners contended that the construction of one home was economically infeasible and that the city intended to convert their land into open space by preventing its development.

But the owner's bank considered the plan economically infeasible and introduced him to a potential buyer, the Bluestone Organization, a 60-year-old family-owned building company based in Flushing, Queens.

This proposition has been described as "economically infeasible".

"The new standards," he said, "will create opportunities to take a second look at buildings that under the old system were incompatible with current codes and economically infeasible to restore."

Exxon drilled an exploratory oil well in 1985, but further work was deemed economically infeasible.

This experiment is still squarely in the theoretical realm, as it would require an array of radio telescopes over 1,000 km2-something that is technically possible, but economically infeasible.

This has also quadrupled the cost per pound of payload to orbit, making Shuttle economically infeasible in today's launch market for any but the largest payloads, for which there is no competition.

Technologies that fail to perform or are economically infeasible are dropped.

It has been economically infeasible for many years, but with rising oil prices, more companies are investing in this area.