Energy

Energy

Electric cars, the economy, and health

Replacing 25% of American cars with electric vehicles would save the country US$17 billion per year

Renewable energy

The power of marine winds

Researchers study how to exploit wind potential off the Brazilian coast

Automotive engineering

An electric in the dunes

A Paraná startup develops an electric-powered buggy for beach tourism

Physics

Germanium energy

New material could increase the durability and safety of lithium batteries

By Carlos Fioravanti

Electric Mobility

Lithium batteries made in Brazil

New initiatives set to propel Brazil into the growing market for automotive energy storage systems

Public policy

Unsustainable energy

In addition to financial expenses, scholars see high social and environmental costs as obstacles to hydroelectric expansion in the Amazon

Nanotechnology

Carbon nanotube microchips

The new chip, named RV16X-Nano, proved itself capable of running modern software, and could offer an alternative to silicon microprocessors

ENERGY

Winds of change

Brazilian wind power could provide three times more energy than all other electricity sources put together; it currently supplies 22 million homes

Energy

Turbine layout affects power generation

Researchers found that irregular spacing between turbines may optimize energy production

ENERGY

Winds of change

Brazilian wind power could provide three times more energy than all other electricity sources put together; it currently supplies 22 million homes

Energy

Thousands of solar panels on the Sobradinho dam

The solar farm is capable of generating 1 megawatt peak (MWp)

Video

Sirius, the largest and most complex Brazilian laboratory

Last generation source of synchrotron light may improve the quality of Brazilian research

Video

Promising winds ahead

Today, wind power energy is the third source of Brazil’s primary energy supply

ENVIRONMENT

Energy to change

Conference discusses the role of biofuels in fighting global warming

By Marcos Pivetta

Cover

The race for the best light

Sirius will compete with both a fourth-generation facility inaugurated in 2016 in Sweden, and another planned to begin operating in 2020 in France

By Ricardo Zorzetto

Cover

Leaping towards brilliance

Now in its final stage of construction, the latest-generation synchrotron light source could elevate the quality of Brazilian research

By Ricardo Zorzetto

BIOENERGY

Obstacles in the way

Delays in achieving economic viability of second-generation ethanol keeps investors at arms’ length, but some companies are staying in the race

By Fabrício Marques

AEROSPACE SYSTEMS

Green propulsion

INPE and the Brazilian Air Force develop sustainable engine and fuel for use in rockets and satellites

INTERVIEW

Benedito Braga: A fundamental right

World Water Council President Benedito Braga discusses his expectations for this month's World Water Forum in Brasília

By Maria Guimarães

COVER

A deal in the air

Boeing and Embraer discuss a business union that could create the largest aviation conglomerate in the world

ADAM BROWN

Adam Brown: A roadmap to navigate technology hurdles

British bioenergy expert says the sector needs greater public policy support

By Bruno de Pierro

Environment

Brazilian ethanol could reduce carbon dioxide emissions by 5%

ENERGY

More efficient light

Perovskite solar cells may be an alternative to the silicon solar panels

ATLAS

To take advantage of the Sun

Study indicates favorable areas for exploring solar energy in Brazil

By Bruno de Pierro

cover

More efficient batteries

The electric car's biggest limitation is its energy storage system

Cover

The challenges faced in Brazil

The use of electric models in Brazil depends on obstacles being overcome

Cover

The rise of electric vehicles

16% of the world's cars will be electric by 2030

AEROSPACE SYSTEMS

Green propulsion

Ethanol is tested for use in rockets

Engineering

Company watchdog

Electric vehicle has eight hours of autonomy and travels specific routes