An air aspirated hybrid heat pump and heat engine system for selectively heating and cooling a space having an flow path including a compressor, a heat exchanger, an expander, and a generator. The catalysts contain transition metals including nickel and palladium and a diimine ligand in a square planar configuration with two other ligands, and are useful in the polymerization of, for example, olefins, cycloolefins, olefinic esters, and olefinic carboxylic acids. The frictional braking control component controls a frictional braking device to provide a frictional braking torque. A second threshold test then discriminates detection events based on the output signal from the time-to-voltage converter. The sidewall extends from a side of the bottom. Only after presentation of both credentials is the user authenticated and permitted to access applications on the host system.