All lobbying filings

CO2EFFICIENT LLC

Lobbying for NATURAL GAS INNOVATION NETWORK (FORMERLY KNOWN DIFFERENTIATED GAS COORD. CNCL) · A coalition promoting methane measurement technologies and differentiated gas

Filing 1st Quarter - Report

Reporting period

1st Quarter 2026

Jan 1 - Mar 31 · Posted Apr 20, 2026

Income

$20,000.00

What the client paid this registrant for the period.

Client based in

District of Columbia

Official filing document

Lobbyists on this filing 2

THOMAS HASSENBOEHLER

Previously held: Chief Counsel/Counsel for Energy and Environment, US House Energy and Commerce Committee; Counsel Senate Environment and Public Works; LA Congressman Tauzin
BRANDON MOONEY New on this filing

Previously held: Deputy Chief Counsel with the House Energy and Commerce Committee

A "covered position" is a government job the lobbyist held in the 20 years before registering, which the law requires them to name. See the revolving door for former members of Congress across all filings.

Government bodies contacted 2

HOUSE OF REPRESENTATIVES
SENATE

The chambers, agencies and offices the filer named. It does not say who inside them was contacted, or when.

Lobbying activity 1

Clean Air and Water (quality)

Methane leak detection and measurement enhancing the transparency of the natural gas value chain, fostering technological innovation, and reducing emissions

Source: federal Lobbying Disclosure Act filing, reproduced as filed. Bills are parsed from the activity descriptions.