But ETV Motors, a private company based just outside Tel Aviv that has raised some $12 million in investments, says it has found a way to make it commercially viable.

• 在以色列特拉维夫市外的一家私人公司，ETV，已经在这项研究中投入了1200万美元。公司说他们已经找到了让喷气发动机商业化的方法。