Renewable Energy in Brazil

The video discusses the role of biomass as a significant energy source in Brazil, contributing 9% to the energy matrix. It highlights the importance of diversifying energy production to meet growing demands, with Itaipu playing a key role in renewable energy development. The video also explores biogas production from organic waste as a clean energy alternative and the potential of electric vehicles, emphasizing the development of cost-effective, recyclable batteries. The transition to electric mobility is seen as a sustainable path forward, with minimal impact on energy consumption but significant environmental benefits.

What percentage of Brazil's energy matrix is made up by biomass?

• 11%

• 5%

• 7%

• 9%

Which sector is the largest consumer of energy in Brazil?

• Residential

• Industrial

• Commercial

• Agricultural

What is the main component of the gas produced from organic waste?

• Nitrogen

• Oxygen

• Methane

• Carbon Dioxide

How much organic waste is used daily to produce gas at the crop plant?

• 450 kg

• 500 kg

• 400 kg

• 350 kg

What is the potential energy production from biogas in Brazil compared to Itaipu?

• Twice as much as Itaipu

• Slightly more than Itaipu

• Equal to Itaipu

• Less than Itaipu

What percentage of Itaipu's vehicle fleet is composed of electric vehicles?

• 55%

• 50%

• 60%

• 62%

What is a key advantage of sodium-nickel batteries over lithium batteries?

• Lower efficiency

• Non-recyclable

• Abundant and cheap materials

• Higher cost

What percentage of a car's energy from petroleum is used for movement?

• 10%

• 40%

• 20%

• 30%

What would be the annual increase in energy consumption if only electric cars were manufactured?

• 3%

• 4%

• 2%

• 1%

What is the main benefit of switching to electric vehicles for the environment?

• Less heat generation

• Reduced emissions

• Lower fuel costs

• Reduced noise pollution