eMotors: Electric Revolution

Why electric cars lose horsepower on highways?

13 min · 27 mei 2026
aflevering Why electric cars lose horsepower on highways? artwork

Beschrijving

The sources explain that electric cars seem to "lose horsepower" on highways due to the fundamental difference between Peak Power and Nominal Power.Here is a description of the key concepts covered in the sources regarding this phenomenon:The Technical "Paradox" * Peak Power: This is the high horsepower figure typically seen in marketing brochures. It represents the maximum effort a motor can exert for a very limited time, such as during a quick start or overtaking. * Nominal Power: This is the "real" power the car can maintain for a long duration (often defined as 30 minutes) without the motor, inverter, or battery overheating. * Citroën ë-C3: Drops from a peak of 113 CV to a nominal 45 CV (comparable to an old Fiat Panda). * Peugeot e-208: Drops from 156 CV to 78 CV. * Tesla Model 3 RWD: Drops from 283 CV to 120 CV. * VW ID.3: Drops from 204 CV to 95 CV. * Advanced Thermal Management: Systems that use active liquid cooling keep the battery and motor at ideal temperatures. * 800-Volt Architecture: Found in cars like the Hyundai Ioniq 5 and Kia EV6, this system generates less heat during high-speed travel, allowing for more stable performance. * Native Electric Platforms: Cars designed from the ground up as EVs (rather than adapted from combustion frames) generally handle thermal stress better. Why Performance Drops on HighwaysIn urban driving, a car uses its peak power for short bursts, and the system has time to cool down between stops. However, during sustained high-speed highway driving, the electronics must stabilize the output at the nominal power level to prevent thermal damage. In practice, this means an electric car "transforms" into a much less powerful vehicle during long trips.Real-World Power ComparisonsThe sources provide a comparison of how different models perform once they settle into their nominal power:Factors that Mitigate Power LossNot all electric cars lose power to the same degree. The sources highlight several technologies that help maintain performance:This thermal constraint is a standard characteristic of DC motors; for instance, eBike motors also list peak vs. nominal wattage because running at peak levels for too long would cause the internal coils to overheat.

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aflevering Indian EVs: An Alternative artwork

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aflevering The Indian Electric Challenge: Why Mahindra and Tata Win artwork

The Indian Electric Challenge: Why Mahindra and Tata Win

This article analyzes the shifting landscape of the European electric vehicle (EV) market, exploring why consumers—such as a typical driver from Pistoia, Italy, for example,—might increasingly choose Indian brands like Tata and Mahindra over established European icons like the Fiat Grande Panda.The piece breaks down the "Indian Challenge" into four key competitive advantages: * Segment Superiority at the Same Price: The article highlights a significant value gap. For the same price as a European electric city car (approx. €24,000–€25,000), Indian manufacturers offer vehicles from a higher segment, such as the Tata Curvv.ev or Mahindra BE 6e. These models provide the space and versatility of a compact SUV or SUV-Coupe, along with larger battery packs (50-60 kWh) and superior range compared to their European entry-level counterparts. * European Technology Integration: A major selling point is the "hidden" European DNA. The article explains that Mahindra utilizes Volkswagen’s MEB platform, giving drivers access to the same powertrain and efficiency found in an Audi Q4 e-tron but at a fraction of the cost. Similarly, Tata leverages its ownership of Jaguar Land Rover, utilizing shared engineering expertise to ensure premium safety standards and interior quality. * Geopolitical and Economic Edge: Unlike Chinese manufacturers, which face heavy EU punitive tariffs, Indian brands benefit from different trade agreements. This allows them to pass production cost savings directly to the consumer without the burden of "political taxes". * Real-World Performance: Using practical Italian scenarios—like climbing the steep roads of the Abetone or cruising the A11 highway—the article demonstrates how Indian SUVs offer better torque, faster charging (up to 175 kW), and more reliable performance for long-distance travel than smaller European utility EVs. Conclusion: The article draws a parallel to the rise of Hyundai and Kia twenty years ago, suggesting that Mahindra and Tata are the new disruptors, offering "superior technology and more space for the price of a simple city car".

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aflevering 2020 City EVs vs The Market artwork

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aflevering Electric City Cars: A Five-Year Reliability Roadmap artwork

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aflevering The Electric Renaissance: The Citroën 2CV Returns to Democratize Mobility artwork

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