Carop

Find factors

Public-source emission factors, values included

Factors from sources that allow redistribution, EPD Korea, US EPA, the Korean Ministry of Environment and others, with their values. Editions of the same product sit side by side.

  • Filtering, search and sorting run across every public source
  • Change against the previous edition, per edition
  • When we cannot show a value, we say why first
Find factors screen. Results are laid out by product, maker, factor, unit, year, grade, region and source, with a filter on every column.
Find factors screen. Results are laid out by product, maker, factor, unit, year, grade, region and source, with a filter on every column.

Same as a spreadsheet: Name box and formula bar, drag to select a range, copy, arrow keys, Tab and Enter to move, count, sum and average of the selection, drag column widths and row heights, reorder columns, freeze panes.

What is different

Values and sources are untouched
Values and sources are untouched

Values and sources are untouched

Published values exactly as they are. We only unify the unit to kgCO2e for comparison, and say so when a conversion happened.

No change is an answer too
No change is an answer too

No change is an answer too

Many products carry the same value across editions. We do not hide that — verification needs it.

Why this factor matched

Whether the product name matched exactly, partly, or via the maker. A rank with no reason gives you nothing to judge on.

Every part of this screen

Screenshots of the product as it runs. Not mockups.

Factor search

Every public source at once. Narrow by maker, unit, year, region and source, with the reason each factor matched.

Every public source at once. Narrow by maker, unit, year, region and source, with the reason each factor matched.
Every public source at once. Narrow by maker, unit, year, region and source, with the reason each factor matched.

Comparing editions

Editions of the same product side by side with the change between them. If the value held, we say so.

Editions of the same product side by side with the change between them. If the value held, we say so.
Editions of the same product side by side with the change between them. If the value held, we say so.

Also worth a look

Common questions