NOx emission factors (g/kWh) for main engines, by fuel type, engine type, and engine tier.

data(MainNOxEF)

Format

A data frame with 31 rows and 5 variables:

engineType

main engine type, "HSD"="High Speed Diesel","MSD"="Medium Speed Diesel","LNG"="Liquid Natural Gas"

fuelType

fuel type used by vessel: "RM/HFO"="Residual Marine/Heavy Fuel Oil","MGO/MDO"="Marine Gas Oil/Marine Diesel Oil","LNG="Liquid Natural Gas"

tier

Engine regulatory tier (per IMO regulations). Defined by calcTier.r

nox

NOx emission factors (g/kWh) per engine type, fuel type and tier

Source

Character string describing source of each NOx emission factor for each engine, fuel type and tier.

Details

This data is used in calcEF_NOx.r

References

International Maritime Organization.Third IMO GHG Study 2014 - Final Report. London: International Maritime Organization, 2014. International Maritime Organization. Second IMO GHG Study. 4 Albert Embankment, London SE1 7SR: International Maritime Organization, 2009. Starcrest Consulting Group,LLC.Port of Los Angeles Inventory of Air Emissions-2016, 2017. EPA. Regulatory Impact Analysis: Control of Emissions of Air Pollution from Category 3 Marine Deisel Engines, 2009. Whall, C, D Cooper, K Archer, L Twigger, N Thurston, D Ockwell, A McIntyre, and A Ritchie. Quantification of Emissions from Ships Associated with Ship Movements between Ports in the European Community (Part 2). Cheshire: Entec UK Limited, 2002.

Examples

assign("EF",get(utils::data(MainNOxEF)))