A gas engine regulator includes a decompression chamber defined internally of the regulator and having a gas inlet through which liquefied gas fuel enters and a gas outlet through which the gas fuel exits. The pleats extend generally parallel, often at an angle of less than 5 degrees or even less than 1 degree, to the overall filtration path, so that air or gas to the filtered passes through the pleats in a generally straight manner, with minimal bends. Various methods to improve efficiency, including methods to synchronize tractor stop with wrapping activation are provided. One of an available plurality of checking operations is performed to verify consistency of the plurality of information, including performing a real-time zone checking operation to determine that at least one of the plurality of zones is functional. Responsive to this request, a translation of the text phrase is selected from a set of available translations.