31. It will soon be cost efficient to sequence and analyze the whole HEXA gene in at-risk specimens. 32. They can also be relatively cost efficient . 33. Even though the floppy disk is slow and has little storage space, it is extremely cost efficient . 34. In 1957, Jones won two convertible races, at 1962 before the regular stock cars became more cost efficient . 35. "To have more information that's more easily accessible is more cost efficient for the client, " she added. 36. Many TPV CHP scenarios have been theorized but a generator using boiling coolant was found most cost efficient . 37. Overall he's extremely cost efficient ." 38. A big room full of server cabinets is quite cost efficient compared to a bunch of home computers. 39. That operation hasn't been cost efficient . 40. Steam locomotives require more maintenance than diesel locomotives, are less cost efficient , and require more personnel to operate.