▁gall on ▁equivalent ▁basis , ▁still ▁applies . ▁Alternatively , ▁an ▁annual ▁fee ▁in ▁lieu ▁of ▁the ▁exc ise ▁tax ▁may ▁be ▁collected ▁on ▁a ▁vehicle ▁power ed ▁by ▁g ase ous ▁special ▁fu els , ▁according ▁to ▁the ▁gross ▁vehicle ▁weight ▁rating ▁of ▁the ▁vehicle . ▁State ▁government ▁ag encies ▁are ▁entitled ▁to ▁a ▁ref und ▁of ▁any ▁special ▁fu els ▁tax ▁paid ▁to ▁the ▁vendor ▁from ▁which ▁the ▁fuel ▁was ▁purchased . ▁No ▁ref und ▁of ▁special ▁fu els ▁tax ▁shall ▁be ▁paid ▁on ▁special ▁fu els ▁used ▁while ▁id ling ▁a ▁registered ▁motor ▁vehicle . ▁Id ling ▁means ▁a ▁period ▁of ▁time ▁greater ▁than ▁ 1 5 ▁minutes ▁when ▁the ▁motor ▁vehicle ▁is ▁station ary ▁with ▁the ▁engine ▁operating . ▁ ▁State ▁Agency ▁Pet role um ▁Red u ction ▁Plan ▁All ▁executive ▁branch ▁state ▁ag encies ▁are ▁required ▁to ▁reduce ▁the ▁pet role um ▁consumption ▁of ▁their ▁fle ets ▁by ▁increasing ▁the ▁fuel ▁economy ▁of ▁their ▁vehicles ▁and ▁reducing ▁the ▁number ▁of ▁miles ▁driven ▁by ▁each ▁employee . ▁A gen cies ▁must ▁also ▁give ▁priority ▁to ▁acqu iring ▁hy brid ▁electric ▁vehicles ▁and ▁other ▁fuel - efficient , ▁low - em issions ▁vehicles . ▁ ▁Ne igh bor hood ▁electric ▁vehicles ▁A ▁neighborhood ▁electric ▁vehicle ▁( NE V ) ▁is ▁defined ▁as ▁a ▁self - prop elled , ▁elect r ically ▁power ed , ▁four - w he e led ▁motor ▁vehicle ▁that ▁does ▁not ▁produce ▁em issions ▁and ▁con forms ▁to ▁the ▁definition ▁and ▁requirements ▁for ▁low - speed