Related by context. Frequent words. (Click for all words.) 49 fleet 48 fleetwide average 47 fleets 46 mainline fleet 44 conventionally powered 44 CAFE standards 44 shipboard 42 SwiftBroadband 40 inflight 40 sulfur fuels 40 Fleets 40 #-# Intercontinental 40 Fun Ship 39 tailpipe emissions 39 motorcoaches 39 Gogo Inflight Internet 39 tailpipe standards 39 Wind Surf 39 longhaul 39 National Airspace System 39 mpg 39 NOx emissions 38 #-# Freighter [002] 38 Celebrity Solstice 38 CARB 38 onboard 38 Fuel Efficiency 38 retrofits 38 Norwegian Epic 38 crashworthiness 37 staterooms 37 widebody aircraft 37 NHTSA 37 IOSA 37 Jet Airways Konnect 37 Royal Caribbean 37 BusinessFirst 37 retrofit 37 CAFE 36 Eurodam 36 Dodge Sprinter 36 FMCSA 36 Radisson Seven Seas 36 speed limiters 36 APCD 36 Celebrity Cruises 36 ZEV 35 CRJ# aircraft [002] 35 SmartWay Transport Partnership 35 nitrogen oxide emissions 35 retrofitted 35 inflight entertainment 35 Windstar Cruises 35 drydock 35 NYSE CUK 35 seatback 35 transcontinental flights 35 airworthiness directives 35 NPRM 34 FAA 34 Board CARB 34 cruise ships 34 exhaust emission 34 Crystal Serenity 34 single hull tankers 34 federally mandated 34 ships 34 AeroMobile 34 FMVSS 34 Caribbean itineraries 34 biodiesel blends 34 Safety Administration 34 Fuel Economy 34 Cruise Lines 34 Maasdam 34 twinjet 34 diesel powered 34 Celebrity Equinox 34 Aegis destroyers 34 Carnival Cruise Line 34 Cruise Line 33 BLUETEC 33 cruise vacations 33 SAE J# [002] 33 Onboard 33 Seabourn 33 Renewable Fuels Standard 33 low sulfur diesel 33 Oceania Cruises 33 seat belts 33 Costa Cruises 33 RFS2 33 Windstar 33 PSVs 33 collision avoidance 33 smog forming emissions 33 Federal Aviation Administration 33 P 8A 33 reclining seats 33 diesels 33 BlueMotion