This contrasts with the auction provisions in the existing Section 416 providing for a declining price auction where winning bidders purchase allowances at their bid prices.
Section 673 describes  an auction that goes up in price where you can only place one bid.
mnli hypothesis: Section 673 describes  an auction that goes up in price where you can only place one bid. premise: This contrasts with the auction provisions in the existing Section 416 providing for a declining price auction where winning bidders purchase allowances at their bid prices.