Podcast Archives - Oxford Institute for Energy Studies OIES Podcast – Lifecycle Emissions of Gas with CCS
Nov 12, 2025
Mathieu Lucquiaud, Professor of Carbon Capture and Storage at the University of Sheffield, and Ryan Cowden, PhD candidate exploring gas supply-chain emissions, dive into innovative strategies for reducing lifecycle emissions of natural gas. They discuss how carbon capture rates over 98% are achievable and emphasize the importance of lifecycle analysis for assessing emissions accurately. The duo highlights regulations in British Columbia that can guide cleaner production practices and reveal that gas with CCS can potentially match renewables in climate impact.
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Supply Chain Dominates Lifecycle Emissions
- Gas with CCS can reach near-zero stack emissions and supply-chain emissions then dominate lifecycle impacts.
- Closing supply-chain methane and CO2 gaps across jurisdictions is essential to make gas CCS compatible with net-zero.
B.C. Experience Cutting Methane
- Ryan draws on decades in B.C.'s gas industry to describe effective regulator rules like leak detection and limiting routine flaring.
- He notes subsidies for electrification also helped make deep methane cuts practical in British Columbia.
Use Regulation Plus Incentives
- Regulators should tighten rules and require best practices like leak detection, eliminate routine flaring, and mandate electrification where possible.
- Pair rules with financial incentives to enable industry adoption at scale.