(a) whether the Centre for Science and Environment (CSE) has expressed its serious concern over the steady rise in nitrogen oxide levels in the capital;
(b) if so, the details thereof;
(c) whether CNG gains may be lost to rising levels of nitrogen oxide;
(d) if so, the details and extent thereof; and
(e) the steps taken/ to be taken by the Government to check deterioration in emissions from CNG run vehicles?
MINISTER OF STATE IN THE MINISTRY OF ENVIRONMENT AND FORESTS (SHRI NAMO NARAIN MEENA)
(a) & (b) The Centre for Science and Environment in it`s report on `Air quality gains from first generation reforms and challenges of second generation problems in Delhi` issued in July 2004 has expressed it`s concern over the rise in nitrogen oxides levels in Delhi .
(c) & (d) The rising levels of nitrogen oxide levels may be attributed to various factors like emission from two gas based power plants, poorly maintained CNG buses and overall increase in vehicular population .
(e) Delhi Transport Department is taking measures to improve vehicular inspection and certification system for commercial vehicles , including diesel and CNG vehicles.