Each state agency may provide benefits or reimbursements to volunteers, within the limits of its available appropriations, as follows: (1) Meals may be furnished without charge; (2) lodging may be furnished temporarily to regular service volunteers without charge; (3) transportation reimbursements, including parking fees, automobile mileage, bus and taxi fares, may be furnished. Such reimbursements, when provided, shall be furnished at the same rate as provided for state employees in accordance with section 5-141c; (4) use of state vehicles for the performance of official state agency duties; (5) liability insurance, purchased through the State Insurance and Risk Management Board, to cover all volunteers to the same extent as may be provided for its salaried employees; and (6) optional staff development training to enhance individual skills.