Trilogy Limited has changed its name to ELXSI, completing a restructuring that included the 1985 merger with ELXSI, a mini-supercomputer maker . . . A bankruptcy court has ruled that Storage Technology's tax liability to the IRS is $22.8 million . . . Lufthansa announced that it will buy 15 A340 jets from Airbus Industrie, a breakthrough deal for a project that will compete with a new McDonnell Douglas wide-bodied airliner . . . Household International reported that the after-tax gain on the previously reported sale if its National Car Rental System unit will be about $155 million . . . Air France, the state-owned carrier, will order 16 Boeing 747-400 aircraft valued at about $2 billion, Air France Director-general Henri Sauvan said.