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Heltaher
Heltaher

Externalities & Lifecycle Displacement

The Powertrain Ledger: A Comparative Audit of Mobility's True Costs

·339 words·2 mins
Energy, Emissions & Environmental Accounting Lifecycle Assessment Comparative Powertrain Analysis EV Break-Even Hydrogen Efficiency Carbon Accounting Design Trade-Offs & Optimization Limits Externalities & Lifecycle Displacement Power, Policy & Dependency Structures Systemic Fragility, Risk & Path Dependence
A three-part series conducting rigorous, comparative lifecycle assessments of gasoline, hybrid, battery-electric, and hydrogen fuel cell vehicles, exposing how accounting boundaries shape technological winners and losers.

The Powertrain Ledger: A Comparative Audit of Mobility's True Costs – The Powertrain Ledger – Part 3: The Hydrogen Mirage

·1177 words·6 mins
Energy, Emissions & Environmental Accounting Lifecycle Assessment Comparative Powertrain Analysis EV Break-Even Hydrogen Efficiency Carbon Accounting Design Trade-Offs & Optimization Limits Externalities & Lifecycle Displacement Power, Policy & Dependency Structures Systemic Fragility, Risk & Path Dependence
Applies full lifecycle accounting to hydrogen fuel cell vehicles, exposing the profound efficiency penalties and carbon leakage of different hydrogen production pathways.

The Powertrain Ledger: A Comparative Audit of Mobility's True Costs – The Powertrain Ledger – Part 2: The Electric Compact

·1072 words·6 mins
Energy, Emissions & Environmental Accounting Lifecycle Assessment Comparative Powertrain Analysis EV Break-Even Hydrogen Efficiency Carbon Accounting Design Trade-Offs & Optimization Limits Externalities & Lifecycle Displacement Power, Policy & Dependency Structures Systemic Fragility, Risk & Path Dependence
Performs a sensitivity analysis on EV lifecycle emissions, quantifying how variables like grid cleanliness, battery chemistry, and driving patterns dramatically alter the break-even point versus conventional vehicles.

The Powertrain Ledger: A Comparative Audit of Mobility's True Costs – The Powertrain Ledger – Part 1: Gasoline's Long Shadow

·1102 words·6 mins
Energy, Emissions & Environmental Accounting Lifecycle Assessment Comparative Powertrain Analysis EV Break-Even Hydrogen Efficiency Carbon Accounting Design Trade-Offs & Optimization Limits Externalities & Lifecycle Displacement Power, Policy & Dependency Structures Systemic Fragility, Risk & Path Dependence
Deconstructs the complete cradle-to-grave carbon and energetic cost of the internal combustion engine, revealing the hidden burdens of refining, distribution, and deferred maintenance emissions.