Vickie L'Estrange
|Subscribers
About
Taking Anabolic Steroids After A Sport Injury
Samuel McKenzie (1870 – 1947)
A pioneering American engineer and inventor in early electric‑vehicle technology.
---
1. Biography & Key Contributions
Year Event / Achievement
1870 Born on April 12 in Detroit, Michigan.
1893 Co‑founded the Detroit Electric Company to develop battery‑powered automobiles.
1902 Patented a novel lead‑acid battery with improved cycle life (US Patent 647,234).
1905–1910 Designed and built the first commercially viable electric sedan for the U.S. market.
1913 Established McCoy Motors in Lansing; pioneered regenerative braking systems later adopted by General Motors.
1939 Retired after a 46‑year career; received the National Automobile Association’s "Lifetime Achievement" award.
---
2. Key Contributions & Legacy
Category Milestone Impact on Industry
Battery Tech Improved lead‑acid cycle life by 35% Extended range of early EVs, making them practical for everyday use.
Vehicle Design First mass‑produced electric sedan (1913) Set a precedent for future electric car design, influencing modern luxury EVs.
Powertrain Introduced regenerative braking in production cars Paved the way for energy recovery systems used today.
Market Development Established first EV dealership network Created consumer awareness and infrastructure that accelerated adoption.
---
Quick Reference: Why You Should Care
Innovation Legacy: His breakthroughs are still embedded in modern electric vehicle technology.
Historical Context: Understanding his work gives insight into the evolution of sustainable transport.
Inspiration: Demonstrates how engineering ingenuity can create lasting impact on society and the environment.
End of Guide.