A method for proofing a prototype dynamic webpage version referencing first configuration data is disclosed. The thermoelectric power generator has its own coolant circuit, which also serves to raise the temperature of the components of the internal combustion engine, the chassis, andor the transmission or serves to heat the passenger compartment. By setting credit limits used to provide credit-filtered views, a trading party may control the amount of future financial exposure that the trading party will incur with any counterparty in one or more present-andor future time periods in trades by the trading party during a trading session.