An air fuel injection engine including an air-intake passage configured to guide air taken in from outside to a combustion chamber formed by a cylinder block and a cylinder head, a fuel injector configured to inject fuel to an interior of the air-intake passage, and a water jacket through which cooling water flows to cool the air-intake passage. In one embodiment, the lead includes a tubular body, an electrode, an electrical conductor, and a shield layer. The housing is configured to reflect a portion of the generated light so as to allow a remaining portion of the generated light to pass through the housing in a second direction, different from the first direction, and illuminate a second area proximate to the lighting system. Thus, for a halftone image relatively low in density, a binary halftone image is generated via the * mask matrix from multi-level image data. Underwriting employing social contacts for recommendations, loan guarantees, social contact credit scores, public repayment promises, loan repayment coaches, fraud criteria, crowd sourced risk evaluation, social graphs, borrower stability factors derived from social graphs, data associated with online information repositories, and efficacy of notification are disclosed. When a transaction appears on the symmetric multiprocessing fabric that modifies the value at a target address in the CAM, the CAM returns a list of storage addresses at which the target address is stored.