Abstract: A computer based system and method for optimizing product selection is disclosed. The system has a financial measurement gauge that is stored on computer readable media and graphically displayed on a computer monitor. The financial measurement gauge has a central symbol with a plurality of marks on either side of the central symbol. The marks may take on a color; the color and placement of the marks in relationship to the central symbol being indicative of the profitability to the seller of the product being displayed with a given query. The system thus provides methods of alternative product selection that are coupled to the financial measurement gauge to optimize product selection based in part on seller profitability and value to the customer.

Abstract: A computer based system and method for optimizing product selection is disclosed. The system has a financial measurement gauge that is stored on computer readable media and graphically displayed on a computer monitor. The financial measurement gauge has a central symbol with a plurality of marks on either side of the central symbol. The marks may take on a color; the color and placement of the marks in relationship to the central symbol being indicative of the profitability to the seller of the product being displayed with a given query. The system thus provides methods of alternative product selection that are coupled to the financial measurement gauge to optimize product selection based in part on seller profitability and value to the customer.

Abstract: A method and system for controlling an engine that drives a reciprocating compressor, such as the large compressors used for natural gas transmission. A controller receives data from the compressor representing operation conditions, such as load step, suction pressure, and discharge pressure. The controller then calculates engine control parameters, such as air intake and spark timing, based on the compressor data to optimize engine performance and emissions.

Abstract: A method of balancing combustion among cylinders of an internal combustion engine. For each cylinder, a normalized peak firing pressure is calculated as the ratio of its peak firing pressure to its combustion pressure. Each cylinder's normalized peak firing pressure is compared to a target value for normalized peak firing pressure. The fuel flow is adjusted to any cylinder whose normalized peak firing pressure is not substantially equal to the target value.