This week, 11 Oil Gas & Consumable Fuels stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

PDC Energy Inc (PDCE) is seeing ratings go up from a C last week to a B this week. PDC Energy Inc is an oil and gas company with drilling and production operations in the Rocky Mountains, the Appalachian Basin, and Michigan. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of PDCE stock.

Interoil Corporation’s (IOC) ratings are looking better this week, moving up to a B from last week’s C. Interoil Corporation is an integrated oil and gas company. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of IOC stock.

TransCanada Corporation (TRP) improves from a B to a A rating this week. TransCanada Corporation develops and operates energy infrastructures, including natural gas pipelines. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of TRP stock.

This is a strong week for Rice Energy Inc. (RICE). The company’s rating climbs to B from the previous week’s C. The company also gets A’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of RICE stock.

CrossAmerica Partners LP (CAPL) earns a B this week, jumping up from last week’s grade of C. For more information, get Portfolio Grader’s complete analysis of CAPL stock.

This week, CONE Midstream Partners LP (CNNX) pushes up from a B to a A rating. The company also gets A’s in sales growth, earnings growth, and return on equity. For more information, get Portfolio Grader’s complete analysis of CNNX stock.

USD Partners LP (USDP) gets a higher grade this week, advancing from a C last week to a B. The company also gets A’s in sales growth, operating margin growth, earnings growth, and return on equity. For more information, get Portfolio Grader’s complete analysis of USDP stock.

This week, Aegean Marine Petroleum Network Inc.’s (ANW) ratings are up from a D last week to a B. Aegean Marine Petroleum Network Inc. is a marine fuel logistics company engaged in supplying and marketing refined marine fuel and lubricants to ships in port and at sea. The company also gets A’s in operating margin growth, earnings growth, earnings revisions, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of ANW stock.

The rating of Cosan Limited Class A (CZZ) moves up this week, rising from a B to a A. Cosan Limited Class A is a fully integrated company in the renewable energy and infrastructure segments in Brazil. The company also gets A’s in sales growth, operating margin growth, earnings growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of CZZ stock.

Westmoreland Resource Partners LP (WMLP) boosts its rating from a C to a B this week. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of WMLP stock.

Approach Resources Inc. (AREX) shows solid improvement this week. The company’s rating rises from a C to a B. Approach Resources Inc. focuses on natural gas and oil reserves in tight sands and shale. The company also gets A’s in earnings revisions and earnings momentum. For more information, get Portfolio Grader’s complete analysis of AREX stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.