Density of gases: by pressure and temperature?
…methane at 1 bar of pressure and 20ºC has a density of 0.67 kg/m3. LNG at -163ºC is 625x denser at 422 kg/m3. And CNG at 200-bar has a density…
Heavy truck costs: diesel, gas, electric or hydrogen?
…CNG trucks, LNG trucks, electric trucks and hydrogen trucks (chart below). Electric trucks with 4-6 ton batteries, and 700-1,000km ranges, likely cost $110-170k more (i.e., 2x) than a typical diesel…
Maintenance costs for gas-powered trucks?
This data-file tabulates the maintenance costs incurred by a fleet of 42x CNG-powered trucks, over 16M miles in the United States. Maintenance costs averaged 8c/mile, of which 1.6c/mile (i.e., 20%)…
Is gas a competitive truck-fuel?
We have assessed whether gas is a competitive trucking fuel, comparing LNG and CNG head-to-head against diesel, across 35 different metrics (from the environmental to the economic). Total costs per…
Costs of an LNG fuelling station
…to road-consumers will add $10/mcf to the costs of gas-fuel. Around 30% of the capex costs are specifically linked to LNG, and could be slim-lined for a CNG-only fuelling station….
Green hydrogen trucks: delivery costs?
…the relative costs of hydrogen, LNG, CNG, LPG, and diesel; in Europe, in the US, with varying CO2 prices and in the 2040s. Niche adoption of hydrogen is possible in…
Landfill gas: rags to riches?
…CHP (pages 9-12), cleaning up to pipeline spec (pages 13-14), further cleaning into CNG transportation fuels (pages 15-16) and biogas-to-jet (page 17). Perspective is crucial. The ultimate carbon abatement costs…
Flaring reduction: screen of service and equipment companies?
…the well site then requires compressors, pipelines, small-scale LNG, CNG or using gas in basin, e.g., for dual-fuel rigs or frac services or in-basin power generation. Sometimes it is not…
Vehicles: energy transition conclusions?
…purely battery powered plane is currently around 90km (data here). (5a) For trucks, an excellent data-file comparing diesel, LNG, CNG, LPG and H2 fuelling is here. There may be some…