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Brazilian biofuels with LUC may have much higher non-GHG emissions than conventional gasoline and diesel

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Comparisons of life-cycle emissions from LUC phase for (a) sugar cane ethanol and (b) soybean biodiesel. Expansion in Brazil presents unique opportunities for both liquid fuel and electricity production. Even in the 100-year case, LUC emissions in CO and particulate matter are still higher than that of gasoline.

Gasoline 273
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Study concludes that sugar cane-based biorefineries producing ethanol and electricity could power a global auto fleet of hybrids and EVs using only 4% of available cropland

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Number of cars (world and US), amount of gasoline consumed, amount of ethanol equivalent required for a neat ethanol fleet, ethanol and electricity to power hybrid fleet, and sugar cane area for hybrid fleet. l/100km) using gasoline as the fuel. Credit: ACS, Pacca and Moreira. Click to enlarge. km/liter (46 mpg US, or 5.1

Fleet 230
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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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Use of Hydrous Ethanol in Brazil. Brazil, the largest and most populous country in South America, was importing 80% of its oil and 40% of its foreign exchange was used to pay for that imported oil. In 1975, General Ernesto Geisel, then-president of Brazil, ordered the country’s gasoline supply mixed with 10% ethanol.

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Bosch overview of global diesel markets; optimistic about US, China

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By comparison, in the European Union, the average number of vehicles per 1,000 inhabitants is approximately 500. Brazil: no diesel in passenger cars. Brazil has banned the sale and use of diesel passenger cars. Their place is taken by vehicles that run on pure ethanol or on a mixture of ethanol and gasoline (FlexFuel).

Diesel 255
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Ford researchers: global light-duty CO2 regulatory targets broadly consistent with 450 ppm stabilization

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While the proposed China regulation for 2020 is more stringent than the glide path, the 2017 Brazil regulation is less stringent. The overall ethanol volume blend share in the gasoline/ethanol fuel pool grows from 14% (10% by energy) in 2020 to 30% (22% energy basis) in 2030. 15 years and to facilitate comparison with regulations.…

Light 261
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IEA working paper highlights potential role of natural gas in reducing global road transport CO2

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On average, a 25% reduction in carbon dioxide equivalent (CO2-eq) emissions can be expected on a well-to-wheel (WTW) basis when replacing gasoline by light-duty vehicles (LDVs) running on compressed natural gas (CNG). The paper uses Brazil, India, Iran, Pakistan, the US and Europe as case studies.

Gas 207
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Separate MIT, IEA reports both outline major expansion in role of natural gas; caution on climate benefits

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This is particularly true in the electric power sector, where, in the US, natural gas sets the cost benchmark against which other clean power sources must compete to remove the marginal ton of CO 2. Natural gas use in the transportation sector is likely to increase, with the primary benefit being reduced oil dependence.

MIT 210