Allowances available at Q3 Washington carbon auction jump by more than one-quarter Published 18:00 on / Last updated at 18:00 on / / Americas (Compliance Markets & Taxes, US & Canada) Carbon Pulse Premium The Q3 sale under Washington's cap-and-invest market will offer roughly 28% more allowances than the previous quarterly sale, a year-to-date (Ytd) high, according to a state notice. A subscription is required to read this content.