General Motors

Appears in 5 conspiracy theories

Mixed

Who Killed the Electric Car? / GM EV1 Suppression

GM's 1996 EV1 electric vehicle was crushed despite consumer demand, fueling theories that oil companies and automakers colluded to suppress viable electric vehicle technology for decades.

1996 · United States
Debunked

100 MPG Carburetor Suppression by Oil Companies

The persistent urban legend that oil companies or automakers bought up and suppressed carburetors and engines capable of delivering 100+ miles per gallon to protect fuel sales.

1930 · United States
Big Oil's Suppression of Alternatives
Mixed

Big Oil's Suppression of Alternatives

The theory that major oil companies have systematically funded climate denial, purchased and shelved alternative energy patents, and corrupted regulatory and political processes to maintain fossil fuel dominance — with significant elements now confirmed by documentary evidence.

1900s · United States
Hydrogen Fuel Cell Technology Suppression
Unresolved

Hydrogen Fuel Cell Technology Suppression

Claims that hydrogen fuel cell vehicles and infrastructure have been suppressed by oil companies and automakers. The patents, the politics, and the reality.

1970 · United States
Renewable Energy Patent Buyouts by Fossil Fuel Industry
Unresolved

Renewable Energy Patent Buyouts by Fossil Fuel Industry

Claims that fossil fuel companies have systematically acquired and shelved patents for solar, wind, and other renewable technologies to delay the clean energy transition.

1980 · United States