41.   The engine has two platinum-tipped spark plugs for each cylinder and three valves per cylinder.

42.   The engine could have trouble turning over.

43.   The engines not only have to be smarter, but also faster.

44.   The Emory University search engine has thousands of links to seemingly indiscriminately chosen sites.

45.   The engine has lots of torque right off the line and soars smoothly to its upper rpm limits.

46.   The engine has to work harder to move it down the road, using more gas, resulting in higher-than-normal tailpipe emissions.

47.   The investigators said the engine would have to be examined further to determine whether the oil leak was connected with the engine problem.

48.   The new high-power engines have almost twice the hauling capacity of standard units.

49.   The new engines will have four valves, instead of two, per cylinder and finer injection spray, for cleaner, more efficient combustion.

50.   The pilot said the engines have to be washed down after each flight.