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Accurately assessing renewable energy growth, especially compared to fossil fuels, is one of the biggest challenges facing our clean energy transition. Industry tallies and analyst updates provide the quickest summaries, but they’re either piecemeal or criticized for being slanted. Most of the trends highlighted in NREL’s data are already known, but still this is among the most comprehensive resources available and many of the charts within are incredible reference points. Still, compare renewable energy capacity and generation increases from 2000-2006 to 2007-2013, and it’s clear just how much momentum and traction renewables are generating across the U.S. Here are two stats to bookmark – cumulative installed global renewable electricity capacity grew 108% from 2000 to 2013, and contributed 23% of all global power generation in 2013.
Time for another common theme in NREL’s stats: China is crushing it on wind energy additions. The lag time from industry assessments to government reports is most evident with solar power. We’ve long known buildings are the largest energy consumers in America, and NREL’s data once again reminds us of the potential for energy efficiency to cut demand and emissions.
But while renewable and alternative fuels (including electric vehicles) are growing fast, they’re still minuscule compared to petroleum-based fuels.
Fuel cell vehicles have dominated recent headlines, but NREL’s data is a sobering look at how hydrogen and fuel cells are actually deploying across the global energy system. Keep up to date with all the hottest cleantech news by subscribing to our (free) cleantech newsletter, or keep an eye on sector-specific news by getting our (also free) solar energy newsletter, electric vehicle newsletter, or wind energy newsletter.
Silvio Marcacci Silvio is Principal at Marcacci Communications, a full-service clean energy and climate policy public relations company based in Oakland, CA.
I have even seen some standing desks that have treadmills underneath so you can get your workout in while you work! I am not sure I could use a standing desk every day or if it will ever be my primary desk but it does seem like many workers  are enjoying them. You may it find surprising but standing desks have become the focal point in a greater argument that is trying to emancipate the American workers’ soul. Let us know your business goals and we’ll deliver the workspace plan to help get you there.
A simple gas turbine power plant essentially consists of the reaction type non-condensing turbine, a compressor (usually of rotary type) mounted on the same shaft or coupled to the turbine, the combustion chamber, an alternator coupled to the turbine itself and auxiliaries such as starting motor, auxiliary lubrication pumps, oil system, fuel system and duct system.
Transtutors is the best place to get answers to all your doubts regarding elements of simple gas turbine power plants with examples. Early computers were electro-mechanical, which means they used mechanical components as part of the computing process. Although used primarily to help the United States military with artillery calculations, the first problem assigned to it was related to the design of the hydrogen bomb. A number of improvements were made to the computer over the years, the most important of which was likely the inclusion of a stored programing mechanism in 1948. Early computers built in the 1940s were government programs usually funded by a national military, but commercialization quickly developed.
UNIVAC won a major pop-culture victory for computing when it accurately predicted that Eisenhower would win the 1952 United States presidential election. Today we are used to thinking of our computers as an ecosystem, but in the early days of computing most machines were one-off models. Most computers that have changed history were not mere prototypes, but the Dynabook is the exception. There was no way to make the Dynabook with technology from that era, but its design was a major influence on Steve Jobs, who admired the prototype’s simplicity. The late 70s saw a plethora of personal computers hit the market, many of which were successful.
Its production run did not end until 1993, at which point nearly six million had been sold. It was followed by a number of additional IBM products throughout the 1980s and a hoard of IBM-compatible models made by other manufacturers.
Portable was a relative term, of course – this PC weighed 28 pounds and was the size of a large suitcase. The Macintosh was not the first personal computer with a graphical operating system, but it was the first to catch on.
Apple’s release of the Macintosh was announced by the famous “1984” advertisement.  This gained major press attention and made the original Mac hugely influential, however, it was troubled by the fact that software from the era was programmed to run in a command-line interface. This not a computer, obviously, but it’s as important to the computer’s evolution as the first IBM-compatible PC.

It’s hard to say what exact impact the iPad will have, but we can say it’s already had an impact. Image Credit: All images are public domain or are from Wikimedia Commons and used in accordance with GNU license. Enter your mobile number to receive a free text message with the download link for the app. This article may contain affiliate links, which pays us a small compensation if you do decide to make a purchase based on our recommendation. I, like many others, was unsure how strong demand would be for media tablets, the form factor that Apple spawned when it launched the original iPad in 2010. With the Surface tablet announcement a few weeks ago and the final release of Windows 8 looming ever closer, some people are understandably going to be confused about the various versions available. You can't just use any image you find online on your blog, and doing so can lead to a legal mess. Right now, you can get some pretty solid deals on a pro-level drone, a Chromebook, Bluetooth headphones, and much more.
Government data is more reputable and comprehensive, but often lags behind – case in point the National Renewable Energy Laboratory’s (NREL) 2013 Renewable Energy Data Book. The full report is definitely worth reading, but since most people don’t have time to read through 135 pages, I’ve pulled a few of the most impressive statistics and charts for you. Wind generation grew by a factor of 18 while solar grew by a factor of 68 between 2000 and 2013.
Asian nations led all markets with a whopping 86% of the world’s 40GW total PV module production at the end of 2013, and China represented 64% of global production. America’s fuel consumption is at the same time a daunting challenge and a massive opportunity for clean energy technologies. Stationary fuel cells, used primarily for backup power, grew 25% in 2013 but still only totaled 160MW of installed capacity in 1,137 total systems. NREL shows transportation fuel cell system capacity holding flat even as stationary fuel cell system capacities have surged in volume. Natural gas can be turned into transportation fuels at almost 70% efficiency, the 30% is heat and that is waste heat from power plants.
Transmission losses are a regular 6% or so (dixit EIA – link), more or less the same for all sources (lower of course for distributed solar), and pretty incompressible. If we are to believe LLNL, the only really important targets for efficiency are power generation and transport. Let’s face it, if you need to break the ice with anyone or impress a client or colleague, letting them know you work at a standing desk is something that is distinctive and can set you apart. Transtutors has a vast panel of experienced in elements of simple gas turbine power plants electrical engineering tutorswho can explain the different concepts to you effectively. The ability to compute and store data provides us with the ability to tackle problems that would likely be impossible to handle otherwise. There are tons of inventions, tons of books about them – and that’s before you start getting into the finger-pointing that inevitably occurs when a team of engineers creates something wonderful and only a few are given credit. The Harvard Mark I was one of many such machines, but it is unique because a team of engineers at IBM were involved in its creation. It lacked many of the features of modern computers but inspired additional work both at Harvard (where it ended up) and at IBM (which helped to engineer it). This experimental computer became operational in mid-1948 and was used as a testbed for a new technology known as the Williams Tube. The limitations of the Williams Tube meant the programming process was still laborious, but it was an effective proof of concept.
The first commercial computer was the UNIVAC I, which was built for a division of the Remington Rand company (yes, the same Remington famous for its firearms). This was contrary to the most popular human predictions at the time, which favored Adlai Stevenson. It could be ordered in a variety of models with different processing power, but each machine was compatible with the others, which meant applications developed for any one machine would work on any variant.
Shown in 1968 by Alan Kay, this concept computer featured a display and keyboard attached on a single slate. This was the computer that gave Apple the lion’s share of its early profit, providing the funds needed to pioneer other important PCs. It all started with the IBM 5150, the first product introduced to the IBM-Compatible platform. The 5150 pioneered the PC as we know it today – a platform that can run common software despite differences in hardware.

That was tiny for a PC in that era, however, and a wide variety of similar devices were constructed over the next decade. The command line was banished in favor of attractive on-screen graphics and the mouse was introduced for navigation. It was notably the first notebook computer, but it became the most successful and influential of the early models. Few could have guessed that this tiny, 6.7 pound computer would found a form-factor that one day would top the popularity of desktop PCs.
It specifies the size of the motherboard, where the holes used to attach it to a case are located, and the location of various expansion slots. It’s the reason why there are no longer multiple manufacturers developing their own different computers with custom hardware and operating systems. The ATX form factor has conquered nearly all computers and “Wintel” – the combination of Windows running on Intel hardware – has become the dominant platform.
Microsoft is rushing to meet it with Windows 8 RT and a number of Android alternatives are already on the market.
If you know of a computer that you particularly admire, I encourage you to post about it in the comments and tell us why you think it is important.
Our judgement is in no way biased, and our recommendations are always based on the merits of the items. Good stuff, considering renewables were just 9.5% of total generation in 2004, but that growth may slip a bit as renewables only represented 41% of new capacity additions across the first three quarters of 2014. The same trend is apparent worldwide as in America – while hydropower remains the largest source of renewable energy, it’s staying flat. Europe and America check in at 9% and 2% respectively – still wonder why solar trade wars are raging across the Atlantic and Pacific Oceans? The bulk of the system losses arise in fossil generation, 60% wasted for coal, at best 40% for gas. And since most of us work sitting down all day long, intrepid furniture companies are trying to get us off our bottoms and working standing up! You can submit your school, college or university level homework or assignment to us and we will make sure that you get the answers related to elements of simple gas turbine power plants. It’s hard to imagine scientists looking for the Higgs-Boson with nothing more than typewriters and legal pads. With that said, I’ve tried to sum up computer history by highlighting thirteen particularly influential computers. The massive computer, which weighed about twenty-seven tons, dwarfed the computational power of previous computers. It lead to the Manchester Mark I, which improved on the concept of electronic storage by adding a magnetic drum. This development contributed to IBM’s financial success and inspired the adoption of this approach in future computers. It was small enough to carry with one hand but contained the two major user interface elements of the day – a display and keyboard.
The IBM 5150 was not a particularly revolutionary computer on its own, but it did feature everything that was needed from PCs at the time, such as a powerful 8088 CPU and an available floppy disk drive. Apple is the only companies that continues to sell hardware with its own operating system installed. It’ll be interesting to see what new designs are introduced and how they change traditional PCs. NREL doesn’t strictly define this term, but it generally refers to losses as electricity moves across power lines. It featured all the hardware a modern user expected and was compatible with common software. It took over for the AT form factor and became the default for all desktop computers in by the late 90s. Not only is this a huge opportunity for smart grid technologies, but it’s also a powerful reason to shift toward distributed generation away from centralized power supplies. The inefficiencies in renewable generation are not counted in primary energy production because the resources are free and waste is harmless. But if it’s heating an old, leaky house with warped single-pane windows and no roof insulation, there is by normal understanding a lot of waste, compared to good practice (current building codes) let alone best practice (passive houses).

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