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Monthly Archives: April 2015
David Hughes: Has Well Productivity Peaked in the Nation’s Largest Shale Gas Play, the Marcellus?
[This is big news since other major plays have already peaked. It looks like the Marcellus is on Hughes predicted by 2018 peak with the latest data published] Has Well Productivity Peaked in the Nation’s Largest Shale Gas Play? By … Continue reading
Posted in Other Experts
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Electric vehicle overview
[ Most, but not all of what follows comes from the NPC paper below. I’ve reworded or interjected some comments as well. As you can see in Figure 1 below, light cars and trucks are the main guzzlers of petroleum. … Continue reading
Posted in Automobiles, Batteries, Electric Cars, Electrification
Tagged auto, battery, energy density
1 Comment
Natural Gas limits: 20-40% of recoverable resources are low EROI Sour Gas
SBC. October 2014. Factbook Natural Gas Factbook. SBC Energy Institute There are 855 trillion cubic meters (tcm) of technically recoverable resources, which means that regardless of cost … Continue reading
Posted in Natural Gas
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Coal or Biomass & Coal to Liquids: CTL, DCL, & CBTL technology
Gray, D., et al. August 1, 2012. Topic Paper #8 Production of Alternative Liquid Hydrocarbon Transportation Fuels from Natural Gas, Coal, and Coal and Biomass (XTL). National Petroleum Council Background With national energy security still being a dominant concern because … Continue reading
Posted in Coal to Liquids (CTL)
Tagged CBTL, CTL, DCL, XTL
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Trucks running on CNG or LNG
National Petroleum Council 2012 Chapter Fourteen Natural Gas. Topic Paper #21 An Initial Qualitative Discussion on Safety Considerations for LNG Use in Transportation. Below is an overview of obstacles to using Compressed natural gas (CNG) or Liquefied Natural Gas (LNG) … Continue reading
Posted in Natural Gas Vehicles, Trucks
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Better truck fuel efficiency to delay the end of the oil age
NAS. 2010. Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles (National Academy of Sciences Study) This free, 251 page document is one of the best I’ve seen on the myriad ways trucks could double their … Continue reading
Posted in Transportation, Trucks
Tagged aerodynamic, fuel efficiency, hybrid, lightweighting, mpg, peak oil, ton miles, truck
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New land converted to cropland to grow biofuel crops equal to 34 coal-fired power plants
Summary of article below: Between 2008 and 2012 over 7 million acres new land, much of it grasslands, were converted to croplands, damaging native ecosystems, and mimics the extreme land-use change that led up to the Dust Bowl in the … Continue reading
Pedro Prieto: many solar panels won’t last 25-30 years, EROI may be negative
See my review of “Spain’s Solar Revolution” for background on what follows: Our study concluded that, when analyzed what we called “extended boundaries energy inputs”, about 2/3 of the total energy inputs were other than those of the modules+inverters+metallic infrastructure … Continue reading
Posted in Pedro Prieto, Photovoltaic Solar
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Petroleum council urges Arctic oil to offset declining production in lower 48
The U.S. should immediately begin a push to exploit its enormous trove of oil in the Arctic waters off of Alaska, or risk a renewed reliance on imported oil in the future, an Energy Department advisory council says in a … Continue reading
All Electric Trucks. Probably not going to happen. Ever. Why not?
There are “forms of transport that cannot be electrified — heavy-duty trucks and planes… Even if the electricity problem can be solved, it won’t address the needs of planes, trucks, ships and some industrial heating that cannot be electrified” (Long). … Continue reading
Posted in Batteries, Lithium-ion, Trucks
Tagged A123, all electric, battery, e-truck, electric truck, fuel cell, Smith Electric, subsidy
5 Comments