SPEED Emissions Review Summary – Alberta Diesel Engines

Scope:
The review assessed emissions compliance for diesel engines operating in Alberta, focusing on particulate matter (PM), nitrogen oxides (NOx), and greenhouse gas (GHG) emissions.

Key Findings:

  • Regulatory Compliance:
    Most engines met provincial standards under the Alberta Tier 4 guidelines, but older models required retrofitting to achieve compliance.
  • Emissions Reduction:
    Upgrades, including diesel particulate filters (DPFs) and selective catalytic reduction (SCR) systems, achieved reductions of:
  • PM: Up to 85%
  • Carbon Footprint:
    Modern engines showed a 20% lower GHG output compared to pre-2006 models.

Recommendations:

  • Retrofit or replace engines older than Tier 3 compliance.
  • Implement advanced monitoring systems for real-time emissions tracking.
  • Transition fleets to alternative fuels, such as biodiesel or renewable diesel, for further reductions.

Impact:
Adopting these measures aligns with Alberta’s environmental targets, ensuring sustainable operations and regulatory compliance.

Recent Works