Toyota's new turbodiesel engines are stronger, lighter, cleaner

http://www.autoblog.com/2015/06/25/toyota-turbobiesel-strong-light-clean/
Toyota's Revamped Turbo Diesel Engines Offer
More Torque, Greater Efficiency and Lower Emissions
New engines feature next-generation advanced thermal insulation diesel combustion1
World-first2 use of Thermo Swing Wall Insulation Technology (TSWIN3)
Top-class maximum thermal efficiency of 44 percent4
15 percent more fuel efficient; 25 percent more maximum torque
Eliminates up to 99 percent of NOx emissions
Production of 700,000 units a year; available in approx. 90 markets by the end of 20165