In a relief to public sector oil companies, the National Green Tribunal has allowed registration of new diesel vehicles conforming to BS-IV norms to be used for transporting petrol or petroleum products.<br/><br/>A bench headed by acting Chairperson Justice U D Salvi directed the Commissioner of Transport Department of Delhi government to register the vehicles, subject to certain conditions.<br/><br/>The order came after the oil companies told the tribunal that they do not possess any diesel vehicle which are more than 10 years old for transporting petroleum products.<br/> <br/>The direction came on a plea filed by oil companies contending that the NGT had banned the registration of new diesel vehicles as well as re-registration of such vehicles after 10 years.<br/> <br/>Later, the Supreme Court had also banned the registration of diesel-run SUVs and cars with engine capacity beyond 2000cc in Delhi and National Capital Region.