- Article
Comparisons of Laboratory and On-Road Type-Approval Cycles with Idling Emissions. Implications for Periodical Technical Inspection (PTI) Sensors
- Barouch Giechaskiel,
- Tero Lähde,
- Ricardo Suarez-Bertoa,
- Victor Valverde and
- Michael Clairotte
For the type approval of compression ignition (diesel) and gasoline direct injection vehicles, a particle number (PN) limit of 6 × 1011 p/km is applicable. Diesel vehicles in circulation need to pass a periodical technical inspection (PTI) test...