No insurer shall, in issuing or renewing a private automobile insurance policy to a peace officer, member of the Delaware State Police, ambulance squad member, volunteer or paid, or firefighter, volunteer or paid, with respect to his or her operation of a private motor vehicle, increase the premium on such policy for the reason that the insured or applicant for insurance has been involved in an accident while responding to an emergency during his or her hours of duty in an authorized emergency vehicle as defined under § 4106(e) of Title 21.