Cite news URL http://www.avweb.com/avwebbiz/news/Continental_Extends_TBOs_208528-1.html Source title Continental Extends TBOs, Certifies Diesel Last name Bertorelli First name Paul Source date 15 April 2013 Name of publication AVweb URL access date 17 April 2013 ↑ AvWeb Staff (February 2008). "Teledyne Continental Plans Certified Diesel Within Two Years".