Automatic Delivery Never worry about running out of propane again with Yankee Propane’s Automatic Delivery Service for our customers throughout the Teterboro, NJ, Hardyston, NJ, and Florida, NY areas. When you sign up for this service, we monitor your fuel tank and deliver propane automatically, so you never have the stress of refilling and monitoring your tank ever again! TANK MONITORING TECHNOLOGY We offer a satellite monitoring service of company- and customer-owned tanks that show real-time inventory levels that warn us when your tank is in danger of running out of fuel. KEEP FULL POLICY Our Keep Full Policy provides customers the assurance of uninterrupted gas supply. This ensures that you are protected in case of a severe cold period, heavy snowfall, or a nationwide shortage of propane, giving the added comfort of knowing you will never run out of fuel in any conditions.