Released on: May 22, 2008, 8:48 am

Press Release Author: InvestorIdeas.com

Industry: Environment

Press Release Summary: RenewableEnergyStocks.com, a leading investor news and
research portal for the renewable energy sector within Investorideas.com, presents a
sector close-up on recent news and developments in renewable energy stocks as oil
continues to set record highs

Press Release Body: POINT ROBERTS, WA and DELTA, BC--May 22, 2008 -
www.RenewableEnergyStocks.com, a leading investor news and research portal for the
renewable energy sector within Investorideas.com, presents a sector close-up on
recent news and developments in renewable energy stocks as oil continues to set
record highs.

Renewable Energy Sector Close-Up as of May 21, 2008

Geothermal stock, Essential Innovations Technology Corp., (OTCBB: ESIV; FRANKFURT:
E6S) announced it has successfully closed and funded a financing in the form of a
convertible secured note in the amount of $1,750,000 USD.

Rotoblock Inc. (OTCBB: ROTB) recently announced it will acquire controlling interest
in Hikom Gottell Corporation for US $25 Million (US $25,000,000). The US-China
venture intends to develop and manufacture small engines, air-conditioning systems
and other consumer and industrial equipment.

XsunX, Inc. (OTCBB: XSNX), a solar technology company, announced today that it has
signed an agreement with Praxair, Inc. (Market, News ) for the supply of bulk
industrial gases for its new multi-megawatt thin film photovoltaic (TFPV) solar
manufacturing facility near Portland, Oregon.

Electric vehicle pioneer ZAP (OTC BB:ZAAP) announced that Dubai\'s Al Yousuf Group
has completed a transaction to purchase a convertible debt that was part of a
private placement registration from October 2007.ZAP closed trading at $1.18 on
2,532,983 shares.

Ascent Solar Technologies, Inc. (Market, News) announced that the underwriters of
its public offering exercised their over-allotment option to purchase an additional
570,000 shares of its common stock at $14.00 per share.

The Chicago Board Options Exchange launched trading in options on Market
Vectors-Solar Energy ETF (Market, News ), an exchange-traded fund.

Solarfun Power Holdings (Market, News), a manufacturer of silicon ingots and
photovoltaic (PV) cells and modules in China, reported its unaudited financial
results for the first quarter ended March 31, 2008 with Net revenue of RMB 1.20
billion (US$ 171.0 million), an increase of 529% from the fourth quarter of 2007.
Solarfun traded 30,416,457 shares and was up 4.99%.

Publicly traded, Suzlon Energy Limited, based in Mumbai, India the world's fifth
leading wind turbine maker with 10.5% of global market share, announced results for
the financial year ended March 31, 2008, reporting 71% growth in revenues.

Fuel Tech, Inc. (Market, News) announced receipt of a $4.6 million contract for the
supply and installation of NOxOUT® Selective Non-Catalytic Reduction (SNCR)
technology on two newly constructed 600 megawatt coal-fired boilers in the People's
Republic of China (PRC).



SunPower Corporation, (Market, News ) a manufacturer of high-efficiency solar cells,
solar panels, and solar systems, announced it has completed design and construction
of a new 1.4-megawatt solar electric power plant project in Hampyeong, South Korea.

For investors following solar stocks, the RenewableEnergyStocks.com website provides
a comprehensive list of renewable energy and green stocks.

Featured Green Showcase Companies:

Solar Company XsunX, (OTCBB: XSNX) is developing amorphous silicon thin film
photovoltaic (TFPV) solar cell manufacturing processes to produce TFPV solar
modules. Visit Media showcase: http://www.investorideas.com/co/xsnx/default.asp or
http://www.xsunx.com/

Geothermal Company Essential Innovations Technology Corp. (OTCBB: ESIV - FRANKFURT:
E6S) provides cutting-edge Geoexchange solutions for residential, commercial and
industrial applications as both a manufacturer of proprietary geothermal heat pump
technology and as a Geoexchange energy service company. More info can be found on
the Investorideas.com Showcase page at:
http://www.investorideas.com/CO/ESIV/Default.asp or www.EITechCorp.com

Rotoblock Corporation (OTCBB: ROTB) is focused on the development and manufacturing
of small engines and other energy-efficient and environmental equipment in China for
distribution worldwide.
Visit media showcase: http://www.investorideas.com/CO/ROTB/Default.asp

Electric car pioneer, ZAP (OTCBB: ZAAP) has been a leader in advanced transportation
technologies since 1994, delivering over 100,000 vehicles to consumers in more than
75 countries.
Visit media showcase: http://www.investorideas.com/CO/ZAAP/Default.asp


About Our Green Investor Portals:
www.RenewableEnergyStocks.com® is one of several green investor portals within
Investorideas.com and provides investors with stock news, exclusive articles and
financial columnists, audio interviews, investor conferences, Blogs, and a directory
of stocks.

Disclaimer: Our sites do not make recommendations. Nothing on our sites should be
construed as an offer or solicitation to buy or sell products or securities. We
attempt to research thoroughly, but we offer no guarantees as to the accuracy of
information presented. All Information relating to featured companies is sourced
from public documents and/ or the company and is not the opinion of our web sites.
For disclosure purposes, the site is currently compensated by featured showcase
companies, news submissions and online advertising. Please read the disclaimer and
specific compensation disclosure for each company at
http://www.investorideas.com/About/Disclaimer.asp.


For more information contact:

Dawn Van Zant 800.665.0411
Email: dvanzant@investorideas.com,
Source: Investorideas.com RenewableEnergyStocks.com, XsunX, Essential Innovations
Technology Rotoblock, ZAP


Web Site: http://www.renewableenergystocks.com

Contact Details: Dawn Van Zant 800.665.0411
Email: dvanzant@investorideas.com