Related by context. Frequent words. (Click for all words.) 73 ULEV 69 Super Ultra Low 67 PZEV 59 mpg city/# highway 58 EPA SmartWay 58 BlueTec 57 Nissan Altima Hybrid 57 EPEAT Gold 57 Euro NCAP crash 56 E# CDI 56 urea injection 56 EuroNCAP 56 exhaust emission 55 MY# [003] 55 ZEV 55 A3 TDI 55 Altima Hybrid 55 PACCAR MX engine 55 ecoFLEX 55 IIHS Top 54 BlueEFFICIENCY 54 ACERT 54 ECOnetic 54 city/# highway 54 Mariner Hybrid 54 #g/km CO2 [001] 53 #hp #kW [002] 53 mpg city/# mpg 53 BlueMotion 53 TranSwitch Shelton CT 53 TS# [004] 53 8 CYL 53 ARAI 53 Jetta TDI 53 Board CARB 52 Honda Accord Hybrid 52 particulate filter 52 BlueTEC 52 naturally aspirated engine 52 Bluetec 52 LEED EB 52 Tahoe Hybrid 52 evaporative emissions 52 V6 diesel 52 RX #h 52 NEBS Level 3 52 Hyundai Entourage 51 MPGe 51 #.#L engine 51 Audi A3 TDI 51 GS #h 51 Panamera S 51 #/#-mpg rating 51 Lexus GS #h 51 EcoLogo 51 LS #h 51 harshness NVH 51 efficient powertrains 50 Infiniti EX 50 kmpl 50 Eco Assist 50 THX certification 50 0 Thumbs Up 50 6 CYL 50 Efficient Dynamics 50 BLUETEC 50 #PS [001] 50 Sonata Hybrid 50 #mpg [001] 50 diesel particulate filter 50 EnergyStar 50 emission 50 turbodiesel engine 50 Certified Advantage 50 TÜV 50 UL# [004] 50 #i Coupe 49 cleanest diesel 49 EarthCraft 49 Environmental Assessment Tool 49 exhaust emissions 49 Turbo Diesel 49 Ford EcoBoost 49 L/#km 49 tailpipe emissions 49 Escape Hybrid 49 hybrid drivetrain 49 DRIVe 49 Cobalt SS 49 EPA SmartWay Transport 49 Electronic Stabilization 49 certification 49 USGBC LEED 49 Trail Rated 49 LTZ 49 roadholding 49 Bharat Stage 49 ASTM D# [002] 49 BMW EfficientDynamics 49 EPEAT 49 Audi TDI