Leaded Gasoline

1. Uses

1.1. Improve mechanism in motor cars

1.1.1. reduce engine knocking

1.1.2. increase ability to compress engine

1.1.3. cheap

1.1.4. greater power

2. Danger

2.1. Health Issues: lead in blood

2.1.1. Anemia

2.1.2. Damage immune system

2.1.3. Kidney Problems

2.1.4. Weakness

2.1.5. Affect vitamin D metabolism

2.1.6. miscarriages

2.1.7. Low birth weight

2.2. Environmental Impact

2.2.1. Soil can retain lead passing it to plants

2.2.2. Plants reduce photosynthesis rate

2.2.3. Animals: inhibits ability to produce red blood cells

3. Discovery

3.1. 1916

3.1.1. anti-knock research start

3.2. 1920

3.2.1. Lead became common component of galsoline

3.3. 1922

3.3.1. Studies for determinin lead toxicity; no important findings were done

3.3.2. Government aware of the dangers

3.4. 1970

3.4.1. Leaded Gasoline is banned

3.5. 1980

3.5.1. Free lead gasoline in order to use platinum-based catalytic converter