Home

Glossary of EV Words & Acronyms

  Electric Vehicles Glossary of EV Definitions 
Word or Acronym Definition Examples
AC Alternating Current  
AFV  Alternative Fuel Vehicles  
AGM Absorbed Glass Mat (battery)  
BSOC  Battery State of Charge Same as SOC
CAFE  Corporate Average Fuel Economy  
CD,Cd, Cx or Cw drag coefficient EV1 .195 to  Hummer .570 (ratio between the 2 examples is 2.9)
Cda combination of drag coefficient and area(frontal) EV1 3.95 to Hummer 26.3 (or in meters: EV1 .367m2 to Hummer 2.444m2  (ratio between the 2 examples is 6.65)
Crr, RRC rolling resistance coefficient most new passenger tires have reported RRCs ranging from 0.007 to 0.014
DC Direct current  
DOD Depth of Discharge  
ECU Electronic Control Unit  
EV All Electric Powered Vehicle  
FCHV Fuel Cell Hybrid Vehicle  
HEV Non-Plug-In Hybrid-Electric Vehicle  
ICE Internal Combustion Engine  
ICE Internal Combustion Engine  
LiCoO2 Lithium Cobalt Oxide battery Chemistry  
LiFePO4 Lithium Iron Phosphate battery chemistry  
Li-poly, Li-Pol, LiPo Lithium Polymer battery chemistry  
NEV Neighborhood Electric Vehicle usually maximum speed below 35 mph
NiCd, NiCad Nickel Cadmium battery chemistry  
NiMH Nickel Metal Hydride (battery)  
PbA Lead Acid (battery)  
PHEV Plug-in Gas-Electric Vehicle  
PV Photovoltaic solar panels that create electricity from photons from the sun
PWM Pulse Width Modulation  
PZEV Partial Zero Emissions Vehicle   Practically Zero Emission Vehicle - a SULEV tailpipe emissions vehicle that has no evaporative emissions when not in use.
Re Reynolds Number equal to the density of a fluid(gas or air), velocity, times size of object: Larger velocities, larger objects, and lower viscosities contribute to larger Reynolds numbers
RRC rolling resistance coefficient most new passenger tires have reported RRCs ranging from 0.007 to 0.014
SOC Battery State of Charge Same as BSOC