# HiQLCD Support

## Latest releases

### [HiQLCD](/en/releases/hiqlcd)

Life cycle inventory database for China

[1.5.0](/en/releases/hiqlcd/1.5.0) · Release date: 2026-06 · CUT_OFF / CONSEQUENTIAL / EN_15804

[What's new](/en/releases/hiqlcd/1.5.0#release-updates) / [Files](/en/releases/hiqlcd/1.5.0#files) / [Database Overview](/files/hiqlcd/1.5.0/revisions/20261107T020200Z/hiqlcd_Database_Overview_v1.5.0_r20261107T020200Z.xlsx) / [All versions](/en/releases/hiqlcd)

### [HiQLCD-AL](/en/releases/hiqlcd-al)

Product carbon footprint database for the Chinese aluminium industry

[2.0.0](/en/releases/hiqlcd-al/2.0.0) · Release date: Not recorded · CUT_OFF / CONSEQUENTIAL

[What's new](/en/releases/hiqlcd-al/2.0.0#release-updates) / [Files](/en/releases/hiqlcd-al/2.0.0#files) / [Database Overview](/files/hiqlcd-al/2.0.0/revisions/20261107T020200Z/hiqlcd-al_Database_Overview_v2.0.0_r20261107T020200Z.xlsx) / [All versions](/en/releases/hiqlcd-al)

### [CALCD](/en/releases/calcd)

China automotive life cycle database

[3.0.0](/en/releases/calcd/3.0.0) · Release date: Not recorded · CUT_OFF

[What's new](/en/releases/calcd/3.0.0#release-updates) / [Files](/en/releases/calcd/3.0.0#files) / [Database Overview](/files/calcd/3.0.0/revisions/20261107T020200Z/calcd_Database_Overview_v3.0.0_r20261107T020200Z.xlsx) / [All versions](/en/releases/calcd)

### [HiQ-CESI](/en/releases/hiq-cesi)

Background database for lithium battery carbon footprints

[1.1.0](/en/releases/hiq-cesi/1.1.0) · Release date: Not recorded · CUT_OFF

[What's new](/en/releases/hiq-cesi/1.1.0#release-updates) / [Files](/en/releases/hiq-cesi/1.1.0#files) / [Database Overview](/files/hiq-cesi/1.1.0/revisions/20261107T020200Z/hiq-cesi_Database_Overview_v1.1.0_r20261107T020200Z.xlsx) / [All versions](/en/releases/hiq-cesi)

[All releases](/en/releases)

## Release highlights

### HiQLCD 1.5.0

HiQLCD 1.5.0 contains 46,060 datasets (CUT_OFF), an increase of 14,316 over 1.4.1 (45.1%). It expands coverage of chemicals, non-ferrous metals, building materials and electrical equipment; 28,703 datasets carry data quality scores, a coverage rate of 62.3%.

[Read what's new](/en/releases/hiqlcd/1.5.0#release-updates)

## Browse support

### [Releases](/en/releases)

Database versions, updates, public files and usage limitations.


### [Data access](/en/data-access)

The data platform provides query pages; the API returns catalogs and cumulative results.

- [Data platform](/en/data-access/data-platform)
- [HiQ Editor overview](/en/data-access/editor)
- [Data query API](/en/data-access/query-api)

### [Sectors](/en/sectors)

Sector statistics count CUT_OFF dataset IDs in each version.


### [Data reference](/en/data-reference)

Activities, products, flows, quantities, geographies, system models and formats.


### [Resources](/en/resources)

XLSX worksheets, column definitions and database citations.

- [File definitions](/en/resources/file-definitions)
- [Citation format](/en/resources/citation)