Vancouver- Approximately 70 workers who fuel jet aircraft at Vancouver Airport have a new collective agreement.Members of the Public Service Alliance of Canada (PSAC) / Union of Canadian Transportation Employees (UCTE) Local 20221 working at GlobeGround Fuel Services voted Tuesday to ratify a tentative agreement reached last week.The three-year contract, which expires in November 2015, provides wage and shift premium increases as well as improvements to the language around hours of work, overtime, seniority, and staffing.