A process for the utilization of the methane produced by enteric fermentation, specifically to a process that utilizes methane produced by ruminant animals through enteric fermentation as a source of carbon andor energy for the directed production of methane-based goods or processes is provided. In some embodiments, the emitter is a light emitting diode and further comprising an LED driver that provides a specified voltage and current to each LED in the light source. Additional embodiments are disclosed and claimed. An integral, simple and convenient means is provided to vary the intensity and pattern of the heat output, thereby controlling the cooking performance of the stove. Furthermore, a structure of the composite sheet is also presented in the present invention. The loan document creation server sends the appropriate loan documents andor check to the customer either physically or electronically.